Home / 2,285.28-3,153.69-1,237.34

Finding the Fourth Proportional to 2,285.28, 3,153.69 and 1,237.34

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Solution

The fourth proportional to 2,285.28, 3,153.69 and 1,237.34 is: 1,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.28 : 3,153.69 = 1,237.34 : x
  2. Step 2: Convert to fraction form
    2,285.28/3,153.69 = 1,237.34/x
  3. Step 3: Cross multiply
    2,285.28x = 3,153.69 × 1,237.34
  4. Step 4: Simplify right side
    2,285.28x = 3,902,194.67
  5. Step 5: Solve for x
    x = 3,902,194.67/2,285.28
  6. Step 6: Final answer
    x = 1,707.53

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,286.28, 3,155.07 and 1,238.34
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.