Home / 2,709.38-4,043.10-2,417.78

Finding the Fourth Proportional to 2,709.38, 4,043.10 and 2,417.78

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Solution

The fourth proportional to 2,709.38, 4,043.10 and 2,417.78 is: 3,607.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.38 : 4,043.10 = 2,417.78 : x
  2. Step 2: Convert to fraction form
    2,709.38/4,043.10 = 2,417.78/x
  3. Step 3: Cross multiply
    2,709.38x = 4,043.10 × 2,417.78
  4. Step 4: Simplify right side
    2,709.38x = 9,775,306.10
  5. Step 5: Solve for x
    x = 9,775,306.10/2,709.38
  6. Step 6: Final answer
    x = 3,607.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.