Home / 1,562.22-2,154.10-1,065.15

Finding the Fourth Proportional to 1,562.22, 2,154.10 and 1,065.15

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Solution

The fourth proportional to 1,562.22, 2,154.10 and 1,065.15 is: 1,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.22 : 2,154.10 = 1,065.15 : x
  2. Step 2: Convert to fraction form
    1,562.22/2,154.10 = 1,065.15/x
  3. Step 3: Cross multiply
    1,562.22x = 2,154.10 × 1,065.15
  4. Step 4: Simplify right side
    1,562.22x = 2,294,439.62
  5. Step 5: Solve for x
    x = 2,294,439.62/1,562.22
  6. Step 6: Final answer
    x = 1,468.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.