Home / 1,610.56-2,224.66-1,331.92

Finding the Fourth Proportional to 1,610.56, 2,224.66 and 1,331.92

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Solution

The fourth proportional to 1,610.56, 2,224.66 and 1,331.92 is: 1,839.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.56 : 2,224.66 = 1,331.92 : x
  2. Step 2: Convert to fraction form
    1,610.56/2,224.66 = 1,331.92/x
  3. Step 3: Cross multiply
    1,610.56x = 2,224.66 × 1,331.92
  4. Step 4: Simplify right side
    1,610.56x = 2,963,060.26
  5. Step 5: Solve for x
    x = 2,963,060.26/1,610.56
  6. Step 6: Final answer
    x = 1,839.77

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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.