Home / 2,984.78-4,123.92-2,360.08

Finding the Fourth Proportional to 2,984.78, 4,123.92 and 2,360.08

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Solution

The fourth proportional to 2,984.78, 4,123.92 and 2,360.08 is: 3,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.78 : 4,123.92 = 2,360.08 : x
  2. Step 2: Convert to fraction form
    2,984.78/4,123.92 = 2,360.08/x
  3. Step 3: Cross multiply
    2,984.78x = 4,123.92 × 2,360.08
  4. Step 4: Simplify right side
    2,984.78x = 9,732,781.11
  5. Step 5: Solve for x
    x = 9,732,781.11/2,984.78
  6. Step 6: Final answer
    x = 3,260.80

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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.