Home / 3,155.14-4,732.91-1,306.32

Finding the Fourth Proportional to 3,155.14, 4,732.91 and 1,306.32

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Solution

The fourth proportional to 3,155.14, 4,732.91 and 1,306.32 is: 1,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.14 : 4,732.91 = 1,306.32 : x
  2. Step 2: Convert to fraction form
    3,155.14/4,732.91 = 1,306.32/x
  3. Step 3: Cross multiply
    3,155.14x = 4,732.91 × 1,306.32
  4. Step 4: Simplify right side
    3,155.14x = 6,182,694.99
  5. Step 5: Solve for x
    x = 6,182,694.99/3,155.14
  6. Step 6: Final answer
    x = 1,959.56

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1.5x scale

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.