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Finding the Fourth Proportional to 3,655.56, 5,472.54 and 2,419.50

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Solution

The fourth proportional to 3,655.56, 5,472.54 and 2,419.50 is: 3,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.56 : 5,472.54 = 2,419.50 : x
  2. Step 2: Convert to fraction form
    3,655.56/5,472.54 = 2,419.50/x
  3. Step 3: Cross multiply
    3,655.56x = 5,472.54 × 2,419.50
  4. Step 4: Simplify right side
    3,655.56x = 13,240,810.53
  5. Step 5: Solve for x
    x = 13,240,810.53/3,655.56
  6. Step 6: Final answer
    x = 3,622.10

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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.