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Finding the Fourth Proportional to 3,753.52, 5,603 and 3,445.36

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Solution

The fourth proportional to 3,753.52, 5,603 and 3,445.36 is: 5,143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.52 : 5,603 = 3,445.36 : x
  2. Step 2: Convert to fraction form
    3,753.52/5,603 = 3,445.36/x
  3. Step 3: Cross multiply
    3,753.52x = 5,603 × 3,445.36
  4. Step 4: Simplify right side
    3,753.52x = 19,304,352.08
  5. Step 5: Solve for x
    x = 19,304,352.08/3,753.52
  6. Step 6: Final answer
    x = 5,143.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.