Home / 3,985.68-5,976.36-3,058.92

Finding the Fourth Proportional to 3,985.68, 5,976.36 and 3,058.92

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Solution

The fourth proportional to 3,985.68, 5,976.36 and 3,058.92 is: 4,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.68 : 5,976.36 = 3,058.92 : x
  2. Step 2: Convert to fraction form
    3,985.68/5,976.36 = 3,058.92/x
  3. Step 3: Cross multiply
    3,985.68x = 5,976.36 × 3,058.92
  4. Step 4: Simplify right side
    3,985.68x = 18,281,207.13
  5. Step 5: Solve for x
    x = 18,281,207.13/3,985.68
  6. Step 6: Final answer
    x = 4,586.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.