Home / 2,929.42-4,040.85-2,535.76

Finding the Fourth Proportional to 2,929.42, 4,040.85 and 2,535.76

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Solution

The fourth proportional to 2,929.42, 4,040.85 and 2,535.76 is: 3,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.42 : 4,040.85 = 2,535.76 : x
  2. Step 2: Convert to fraction form
    2,929.42/4,040.85 = 2,535.76/x
  3. Step 3: Cross multiply
    2,929.42x = 4,040.85 × 2,535.76
  4. Step 4: Simplify right side
    2,929.42x = 10,246,625.80
  5. Step 5: Solve for x
    x = 10,246,625.80/2,929.42
  6. Step 6: Final answer
    x = 3,497.83

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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.