Home / 2,962.28-4,443.40-2,781.84

Finding the Fourth Proportional to 2,962.28, 4,443.40 and 2,781.84

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Solution

The fourth proportional to 2,962.28, 4,443.40 and 2,781.84 is: 4,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.28 : 4,443.40 = 2,781.84 : x
  2. Step 2: Convert to fraction form
    2,962.28/4,443.40 = 2,781.84/x
  3. Step 3: Cross multiply
    2,962.28x = 4,443.40 × 2,781.84
  4. Step 4: Simplify right side
    2,962.28x = 12,360,827.86
  5. Step 5: Solve for x
    x = 12,360,827.86/2,962.28
  6. Step 6: Final answer
    x = 4,172.74

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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.