Home / 1,359.06-2,037.52-579.18

Finding the Fourth Proportional to 1,359.06, 2,037.52 and 579.18

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Solution

The fourth proportional to 1,359.06, 2,037.52 and 579.18 is: 868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359.06 : 2,037.52 = 579.18 : x
  2. Step 2: Convert to fraction form
    1,359.06/2,037.52 = 579.18/x
  3. Step 3: Cross multiply
    1,359.06x = 2,037.52 × 579.18
  4. Step 4: Simplify right side
    1,359.06x = 1,180,099.20
  5. Step 5: Solve for x
    x = 1,180,099.20/1,359.06
  6. Step 6: Final answer
    x = 868.32

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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.