Home / 2,449.29-3,385.36-1,790.76

Finding the Fourth Proportional to 2,449.29, 3,385.36 and 1,790.76

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Solution

The fourth proportional to 2,449.29, 3,385.36 and 1,790.76 is: 2,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.29 : 3,385.36 = 1,790.76 : x
  2. Step 2: Convert to fraction form
    2,449.29/3,385.36 = 1,790.76/x
  3. Step 3: Cross multiply
    2,449.29x = 3,385.36 × 1,790.76
  4. Step 4: Simplify right side
    2,449.29x = 6,062,367.27
  5. Step 5: Solve for x
    x = 6,062,367.27/2,449.29
  6. Step 6: Final answer
    x = 2,475.15

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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.