Home / 3,714.39-5,560.81-2,890.17

Finding the Fourth Proportional to 3,714.39, 5,560.81 and 2,890.17

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Solution

The fourth proportional to 3,714.39, 5,560.81 and 2,890.17 is: 4,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.39 : 5,560.81 = 2,890.17 : x
  2. Step 2: Convert to fraction form
    3,714.39/5,560.81 = 2,890.17/x
  3. Step 3: Cross multiply
    3,714.39x = 5,560.81 × 2,890.17
  4. Step 4: Simplify right side
    3,714.39x = 16,071,689.85
  5. Step 5: Solve for x
    x = 16,071,689.85/3,714.39
  6. Step 6: Final answer
    x = 4,326.87

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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.