Home / 2,849.54-3,931.00-2,455.88

Finding the Fourth Proportional to 2,849.54, 3,931.00 and 2,455.88

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Solution

The fourth proportional to 2,849.54, 3,931.00 and 2,455.88 is: 3,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.54 : 3,931.00 = 2,455.88 : x
  2. Step 2: Convert to fraction form
    2,849.54/3,931.00 = 2,455.88/x
  3. Step 3: Cross multiply
    2,849.54x = 3,931.00 × 2,455.88
  4. Step 4: Simplify right side
    2,849.54x = 9,654,038.49
  5. Step 5: Solve for x
    x = 9,654,038.49/2,849.54
  6. Step 6: Final answer
    x = 3,387.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.