Home / 2,247.70-3,098.55-1,657.30

Finding the Fourth Proportional to 2,247.70, 3,098.55 and 1,657.30

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Solution

The fourth proportional to 2,247.70, 3,098.55 and 1,657.30 is: 2,284.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.70 : 3,098.55 = 1,657.30 : x
  2. Step 2: Convert to fraction form
    2,247.70/3,098.55 = 1,657.30/x
  3. Step 3: Cross multiply
    2,247.70x = 3,098.55 × 1,657.30
  4. Step 4: Simplify right side
    2,247.70x = 5,135,226.92
  5. Step 5: Solve for x
    x = 5,135,226.92/2,247.70
  6. Step 6: Final answer
    x = 2,284.66

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1.5x scale

Why These Related Problems?

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