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Finding the Fourth Proportional to 2,752.03, 4,126.92 and 877.31

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Solution

The fourth proportional to 2,752.03, 4,126.92 and 877.31 is: 1,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.03 : 4,126.92 = 877.31 : x
  2. Step 2: Convert to fraction form
    2,752.03/4,126.92 = 877.31/x
  3. Step 3: Cross multiply
    2,752.03x = 4,126.92 × 877.31
  4. Step 4: Simplify right side
    2,752.03x = 3,620,575.53
  5. Step 5: Solve for x
    x = 3,620,575.53/2,752.03
  6. Step 6: Final answer
    x = 1,315.60

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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.