Home / 3,231.85-4,460.04-1,972.93

Finding the Fourth Proportional to 3,231.85, 4,460.04 and 1,972.93

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Solution

The fourth proportional to 3,231.85, 4,460.04 and 1,972.93 is: 2,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.85 : 4,460.04 = 1,972.93 : x
  2. Step 2: Convert to fraction form
    3,231.85/4,460.04 = 1,972.93/x
  3. Step 3: Cross multiply
    3,231.85x = 4,460.04 × 1,972.93
  4. Step 4: Simplify right side
    3,231.85x = 8,799,346.72
  5. Step 5: Solve for x
    x = 8,799,346.72/3,231.85
  6. Step 6: Final answer
    x = 2,722.70

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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.