Home / 2,394.38-3,588.29-1,808.90

Finding the Fourth Proportional to 2,394.38, 3,588.29 and 1,808.90

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Solution

The fourth proportional to 2,394.38, 3,588.29 and 1,808.90 is: 2,710.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.38 : 3,588.29 = 1,808.90 : x
  2. Step 2: Convert to fraction form
    2,394.38/3,588.29 = 1,808.90/x
  3. Step 3: Cross multiply
    2,394.38x = 3,588.29 × 1,808.90
  4. Step 4: Simplify right side
    2,394.38x = 6,490,830.80
  5. Step 5: Solve for x
    x = 6,490,830.80/2,394.38
  6. Step 6: Final answer
    x = 2,710.87

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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.