Home / 2,925.90-4,387.97-1,538.48

Finding the Fourth Proportional to 2,925.90, 4,387.97 and 1,538.48

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Solution

The fourth proportional to 2,925.90, 4,387.97 and 1,538.48 is: 2,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.90 : 4,387.97 = 1,538.48 : x
  2. Step 2: Convert to fraction form
    2,925.90/4,387.97 = 1,538.48/x
  3. Step 3: Cross multiply
    2,925.90x = 4,387.97 × 1,538.48
  4. Step 4: Simplify right side
    2,925.90x = 6,750,774.45
  5. Step 5: Solve for x
    x = 6,750,774.45/2,925.90
  6. Step 6: Final answer
    x = 2,307.25

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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.