Home / 2,752.10-4,122.55-1,708.90

Finding the Fourth Proportional to 2,752.10, 4,122.55 and 1,708.90

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Solution

The fourth proportional to 2,752.10, 4,122.55 and 1,708.90 is: 2,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.10 : 4,122.55 = 1,708.90 : x
  2. Step 2: Convert to fraction form
    2,752.10/4,122.55 = 1,708.90/x
  3. Step 3: Cross multiply
    2,752.10x = 4,122.55 × 1,708.90
  4. Step 4: Simplify right side
    2,752.10x = 7,045,025.70
  5. Step 5: Solve for x
    x = 7,045,025.70/2,752.10
  6. Step 6: Final answer
    x = 2,559.87

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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.