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Finding the Fourth Proportional to 3,155.48, 4,354.68 and 1,758.32

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Solution

The fourth proportional to 3,155.48, 4,354.68 and 1,758.32 is: 2,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.48 : 4,354.68 = 1,758.32 : x
  2. Step 2: Convert to fraction form
    3,155.48/4,354.68 = 1,758.32/x
  3. Step 3: Cross multiply
    3,155.48x = 4,354.68 × 1,758.32
  4. Step 4: Simplify right side
    3,155.48x = 7,656,920.94
  5. Step 5: Solve for x
    x = 7,656,920.94/3,155.48
  6. Step 6: Final answer
    x = 2,426.55

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