Home / 2,753.90-4,134.50-1,585.07

Finding the Fourth Proportional to 2,753.90, 4,134.50 and 1,585.07

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Solution

The fourth proportional to 2,753.90, 4,134.50 and 1,585.07 is: 2,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.90 : 4,134.50 = 1,585.07 : x
  2. Step 2: Convert to fraction form
    2,753.90/4,134.50 = 1,585.07/x
  3. Step 3: Cross multiply
    2,753.90x = 4,134.50 × 1,585.07
  4. Step 4: Simplify right side
    2,753.90x = 6,553,463.99
  5. Step 5: Solve for x
    x = 6,553,463.99/2,753.90
  6. Step 6: Final answer
    x = 2,379.70

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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.