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Finding the Fourth Proportional to 2,479.95, 3,720.55 and 1,750.95

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Solution

The fourth proportional to 2,479.95, 3,720.55 and 1,750.95 is: 2,626.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.95 : 3,720.55 = 1,750.95 : x
  2. Step 2: Convert to fraction form
    2,479.95/3,720.55 = 1,750.95/x
  3. Step 3: Cross multiply
    2,479.95x = 3,720.55 × 1,750.95
  4. Step 4: Simplify right side
    2,479.95x = 6,514,497.02
  5. Step 5: Solve for x
    x = 6,514,497.02/2,479.95
  6. Step 6: Final answer
    x = 2,626.87

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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.