Home / 2,285.44-3,153.92-1,237.50

Finding the Fourth Proportional to 2,285.44, 3,153.92 and 1,237.50

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Solution

The fourth proportional to 2,285.44, 3,153.92 and 1,237.50 is: 1,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.44 : 3,153.92 = 1,237.50 : x
  2. Step 2: Convert to fraction form
    2,285.44/3,153.92 = 1,237.50/x
  3. Step 3: Cross multiply
    2,285.44x = 3,153.92 × 1,237.50
  4. Step 4: Simplify right side
    2,285.44x = 3,902,969.81
  5. Step 5: Solve for x
    x = 3,902,969.81/2,285.44
  6. Step 6: Final answer
    x = 1,707.76

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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.