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Finding the Fourth Proportional to 1,350.86, 2,026.12 and 473.20

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Solution

The fourth proportional to 1,350.86, 2,026.12 and 473.20 is: 709.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.86 : 2,026.12 = 473.20 : x
  2. Step 2: Convert to fraction form
    1,350.86/2,026.12 = 473.20/x
  3. Step 3: Cross multiply
    1,350.86x = 2,026.12 × 473.20
  4. Step 4: Simplify right side
    1,350.86x = 958,759.98
  5. Step 5: Solve for x
    x = 958,759.98/1,350.86
  6. Step 6: Final answer
    x = 709.74

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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.