Home / 3,156.92-4,358.34-2,525.36

Finding the Fourth Proportional to 3,156.92, 4,358.34 and 2,525.36

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Solution

The fourth proportional to 3,156.92, 4,358.34 and 2,525.36 is: 3,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.92 : 4,358.34 = 2,525.36 : x
  2. Step 2: Convert to fraction form
    3,156.92/4,358.34 = 2,525.36/x
  3. Step 3: Cross multiply
    3,156.92x = 4,358.34 × 2,525.36
  4. Step 4: Simplify right side
    3,156.92x = 11,006,377.50
  5. Step 5: Solve for x
    x = 11,006,377.50/3,156.92
  6. Step 6: Final answer
    x = 3,486.43

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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.