Home / 2,925.82-4,390.02-1,538.84

Finding the Fourth Proportional to 2,925.82, 4,390.02 and 1,538.84

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Solution

The fourth proportional to 2,925.82, 4,390.02 and 1,538.84 is: 2,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.82 : 4,390.02 = 1,538.84 : x
  2. Step 2: Convert to fraction form
    2,925.82/4,390.02 = 1,538.84/x
  3. Step 3: Cross multiply
    2,925.82x = 4,390.02 × 1,538.84
  4. Step 4: Simplify right side
    2,925.82x = 6,755,538.38
  5. Step 5: Solve for x
    x = 6,755,538.38/2,925.82
  6. Step 6: Final answer
    x = 2,308.94

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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.