Home / 2,363.28-3,538.08-1,780.75

Finding the Fourth Proportional to 2,363.28, 3,538.08 and 1,780.75

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Solution

The fourth proportional to 2,363.28, 3,538.08 and 1,780.75 is: 2,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.28 : 3,538.08 = 1,780.75 : x
  2. Step 2: Convert to fraction form
    2,363.28/3,538.08 = 1,780.75/x
  3. Step 3: Cross multiply
    2,363.28x = 3,538.08 × 1,780.75
  4. Step 4: Simplify right side
    2,363.28x = 6,300,440.38
  5. Step 5: Solve for x
    x = 6,300,440.38/2,363.28
  6. Step 6: Final answer
    x = 2,665.98

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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.