Home / 1,451.76-2,167.98-1,376.88

Finding the Fourth Proportional to 1,451.76, 2,167.98 and 1,376.88

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Solution

The fourth proportional to 1,451.76, 2,167.98 and 1,376.88 is: 2,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.76 : 2,167.98 = 1,376.88 : x
  2. Step 2: Convert to fraction form
    1,451.76/2,167.98 = 1,376.88/x
  3. Step 3: Cross multiply
    1,451.76x = 2,167.98 × 1,376.88
  4. Step 4: Simplify right side
    1,451.76x = 2,985,048.30
  5. Step 5: Solve for x
    x = 2,985,048.30/1,451.76
  6. Step 6: Final answer
    x = 2,056.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.