Home / 2,925.03-4,387.80-1,281.74

Finding the Fourth Proportional to 2,925.03, 4,387.80 and 1,281.74

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Solution

The fourth proportional to 2,925.03, 4,387.80 and 1,281.74 is: 1,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.03 : 4,387.80 = 1,281.74 : x
  2. Step 2: Convert to fraction form
    2,925.03/4,387.80 = 1,281.74/x
  3. Step 3: Cross multiply
    2,925.03x = 4,387.80 × 1,281.74
  4. Step 4: Simplify right side
    2,925.03x = 5,623,996.83
  5. Step 5: Solve for x
    x = 5,623,996.83/2,925.03
  6. Step 6: Final answer
    x = 1,922.71

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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.