Home / 3,167.08-4,744.88-1,521.30

Finding the Fourth Proportional to 3,167.08, 4,744.88 and 1,521.30

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Solution

The fourth proportional to 3,167.08, 4,744.88 and 1,521.30 is: 2,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.08 : 4,744.88 = 1,521.30 : x
  2. Step 2: Convert to fraction form
    3,167.08/4,744.88 = 1,521.30/x
  3. Step 3: Cross multiply
    3,167.08x = 4,744.88 × 1,521.30
  4. Step 4: Simplify right side
    3,167.08x = 7,218,385.94
  5. Step 5: Solve for x
    x = 7,218,385.94/3,167.08
  6. Step 6: Final answer
    x = 2,279.19

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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.