Home / 3,815.32-5,263.38-2,488.54

Finding the Fourth Proportional to 3,815.32, 5,263.38 and 2,488.54

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Solution

The fourth proportional to 3,815.32, 5,263.38 and 2,488.54 is: 3,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.32 : 5,263.38 = 2,488.54 : x
  2. Step 2: Convert to fraction form
    3,815.32/5,263.38 = 2,488.54/x
  3. Step 3: Cross multiply
    3,815.32x = 5,263.38 × 2,488.54
  4. Step 4: Simplify right side
    3,815.32x = 13,098,131.67
  5. Step 5: Solve for x
    x = 13,098,131.67/3,815.32
  6. Step 6: Final answer
    x = 3,433.04

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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.