Home / 3,176.15-4,761.90-1,529.21

Finding the Fourth Proportional to 3,176.15, 4,761.90 and 1,529.21

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Solution

The fourth proportional to 3,176.15, 4,761.90 and 1,529.21 is: 2,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.15 : 4,761.90 = 1,529.21 : x
  2. Step 2: Convert to fraction form
    3,176.15/4,761.90 = 1,529.21/x
  3. Step 3: Cross multiply
    3,176.15x = 4,761.90 × 1,529.21
  4. Step 4: Simplify right side
    3,176.15x = 7,281,957.00
  5. Step 5: Solve for x
    x = 7,281,957.00/3,176.15
  6. Step 6: Final answer
    x = 2,292.70

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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.