Home / 2,453.10-3,679.65-1,617.90

Finding the Fourth Proportional to 2,453.10, 3,679.65 and 1,617.90

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Solution

The fourth proportional to 2,453.10, 3,679.65 and 1,617.90 is: 2,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.10 : 3,679.65 = 1,617.90 : x
  2. Step 2: Convert to fraction form
    2,453.10/3,679.65 = 1,617.90/x
  3. Step 3: Cross multiply
    2,453.10x = 3,679.65 × 1,617.90
  4. Step 4: Simplify right side
    2,453.10x = 5,953,305.74
  5. Step 5: Solve for x
    x = 5,953,305.74/2,453.10
  6. Step 6: Final answer
    x = 2,426.85

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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.