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Finding the Fourth Proportional to 3,655.56, 5,482.96 and 1,023.12

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Solution

The fourth proportional to 3,655.56, 5,482.96 and 1,023.12 is: 1,534.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.56 : 5,482.96 = 1,023.12 : x
  2. Step 2: Convert to fraction form
    3,655.56/5,482.96 = 1,023.12/x
  3. Step 3: Cross multiply
    3,655.56x = 5,482.96 × 1,023.12
  4. Step 4: Simplify right side
    3,655.56x = 5,609,726.04
  5. Step 5: Solve for x
    x = 5,609,726.04/3,655.56
  6. Step 6: Final answer
    x = 1,534.57

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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.