Home / 3,559.91-5,332.68-2,980.70

Finding the Fourth Proportional to 3,559.91, 5,332.68 and 2,980.70

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Solution

The fourth proportional to 3,559.91, 5,332.68 and 2,980.70 is: 4,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.91 : 5,332.68 = 2,980.70 : x
  2. Step 2: Convert to fraction form
    3,559.91/5,332.68 = 2,980.70/x
  3. Step 3: Cross multiply
    3,559.91x = 5,332.68 × 2,980.70
  4. Step 4: Simplify right side
    3,559.91x = 15,895,123.79
  5. Step 5: Solve for x
    x = 15,895,123.79/3,559.91
  6. Step 6: Final answer
    x = 4,465.04

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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.