Home / 3,125.68-4,312.34-2,006.52

Finding the Fourth Proportional to 3,125.68, 4,312.34 and 2,006.52

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Solution

The fourth proportional to 3,125.68, 4,312.34 and 2,006.52 is: 2,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.68 : 4,312.34 = 2,006.52 : x
  2. Step 2: Convert to fraction form
    3,125.68/4,312.34 = 2,006.52/x
  3. Step 3: Cross multiply
    3,125.68x = 4,312.34 × 2,006.52
  4. Step 4: Simplify right side
    3,125.68x = 8,652,796.46
  5. Step 5: Solve for x
    x = 8,652,796.46/3,125.68
  6. Step 6: Final answer
    x = 2,768.29

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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.