Home / 2,285.14-3,153.48-1,237.18

Finding the Fourth Proportional to 2,285.14, 3,153.48 and 1,237.18

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Solution

The fourth proportional to 2,285.14, 3,153.48 and 1,237.18 is: 1,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.14 : 3,153.48 = 1,237.18 : x
  2. Step 2: Convert to fraction form
    2,285.14/3,153.48 = 1,237.18/x
  3. Step 3: Cross multiply
    2,285.14x = 3,153.48 × 1,237.18
  4. Step 4: Simplify right side
    2,285.14x = 3,901,422.39
  5. Step 5: Solve for x
    x = 3,901,422.39/2,285.14
  6. Step 6: Final answer
    x = 1,707.30

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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.