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Finding the Fourth Proportional to 3,548.88, 5,328.02 and 3,032.20

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Solution

The fourth proportional to 3,548.88, 5,328.02 and 3,032.20 is: 4,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.88 : 5,328.02 = 3,032.20 : x
  2. Step 2: Convert to fraction form
    3,548.88/5,328.02 = 3,032.20/x
  3. Step 3: Cross multiply
    3,548.88x = 5,328.02 × 3,032.20
  4. Step 4: Simplify right side
    3,548.88x = 16,155,622.24
  5. Step 5: Solve for x
    x = 16,155,622.24/3,548.88
  6. Step 6: Final answer
    x = 4,552.32

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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.