Home / 1,753.46-2,631.72-1,479.75

Finding the Fourth Proportional to 1,753.46, 2,631.72 and 1,479.75

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Solution

The fourth proportional to 1,753.46, 2,631.72 and 1,479.75 is: 2,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.46 : 2,631.72 = 1,479.75 : x
  2. Step 2: Convert to fraction form
    1,753.46/2,631.72 = 1,479.75/x
  3. Step 3: Cross multiply
    1,753.46x = 2,631.72 × 1,479.75
  4. Step 4: Simplify right side
    1,753.46x = 3,894,283.35
  5. Step 5: Solve for x
    x = 3,894,283.35/1,753.46
  6. Step 6: Final answer
    x = 2,220.92

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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.