Home / 2,520.39-3,475.13-1,635.87

Finding the Fourth Proportional to 2,520.39, 3,475.13 and 1,635.87

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Solution

The fourth proportional to 2,520.39, 3,475.13 and 1,635.87 is: 2,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.39 : 3,475.13 = 1,635.87 : x
  2. Step 2: Convert to fraction form
    2,520.39/3,475.13 = 1,635.87/x
  3. Step 3: Cross multiply
    2,520.39x = 3,475.13 × 1,635.87
  4. Step 4: Simplify right side
    2,520.39x = 5,684,852.73
  5. Step 5: Solve for x
    x = 5,684,852.73/2,520.39
  6. Step 6: Final answer
    x = 2,255.54

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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.