Home / 1,373.02-2,059.86-399.13

Finding the Fourth Proportional to 1,373.02, 2,059.86 and 399.13

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Solution

The fourth proportional to 1,373.02, 2,059.86 and 399.13 is: 598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.02 : 2,059.86 = 399.13 : x
  2. Step 2: Convert to fraction form
    1,373.02/2,059.86 = 399.13/x
  3. Step 3: Cross multiply
    1,373.02x = 2,059.86 × 399.13
  4. Step 4: Simplify right side
    1,373.02x = 822,151.92
  5. Step 5: Solve for x
    x = 822,151.92/1,373.02
  6. Step 6: Final answer
    x = 598.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.