Home / 2,272.66-3,406.15-972.61

Finding the Fourth Proportional to 2,272.66, 3,406.15 and 972.61

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Solution

The fourth proportional to 2,272.66, 3,406.15 and 972.61 is: 1,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.66 : 3,406.15 = 972.61 : x
  2. Step 2: Convert to fraction form
    2,272.66/3,406.15 = 972.61/x
  3. Step 3: Cross multiply
    2,272.66x = 3,406.15 × 972.61
  4. Step 4: Simplify right side
    2,272.66x = 3,312,855.55
  5. Step 5: Solve for x
    x = 3,312,855.55/2,272.66
  6. Step 6: Final answer
    x = 1,457.70

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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.