Home / 2,342.07-3,231.87-1,294.13

Finding the Fourth Proportional to 2,342.07, 3,231.87 and 1,294.13

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Solution

The fourth proportional to 2,342.07, 3,231.87 and 1,294.13 is: 1,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.07 : 3,231.87 = 1,294.13 : x
  2. Step 2: Convert to fraction form
    2,342.07/3,231.87 = 1,294.13/x
  3. Step 3: Cross multiply
    2,342.07x = 3,231.87 × 1,294.13
  4. Step 4: Simplify right side
    2,342.07x = 4,182,463.15
  5. Step 5: Solve for x
    x = 4,182,463.15/2,342.07
  6. Step 6: Final answer
    x = 1,785.80

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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.