Home / 2,154.15-3,232.85-1,459.17

Finding the Fourth Proportional to 2,154.15, 3,232.85 and 1,459.17

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Solution

The fourth proportional to 2,154.15, 3,232.85 and 1,459.17 is: 2,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.15 : 3,232.85 = 1,459.17 : x
  2. Step 2: Convert to fraction form
    2,154.15/3,232.85 = 1,459.17/x
  3. Step 3: Cross multiply
    2,154.15x = 3,232.85 × 1,459.17
  4. Step 4: Simplify right side
    2,154.15x = 4,717,270.44
  5. Step 5: Solve for x
    x = 4,717,270.44/2,154.15
  6. Step 6: Final answer
    x = 2,189.85

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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.