Home / 4,119.80-5,685.12-2,327.24

Finding the Fourth Proportional to 4,119.80, 5,685.12 and 2,327.24

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Solution

The fourth proportional to 4,119.80, 5,685.12 and 2,327.24 is: 3,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.80 : 5,685.12 = 2,327.24 : x
  2. Step 2: Convert to fraction form
    4,119.80/5,685.12 = 2,327.24/x
  3. Step 3: Cross multiply
    4,119.80x = 5,685.12 × 2,327.24
  4. Step 4: Simplify right side
    4,119.80x = 13,230,638.67
  5. Step 5: Solve for x
    x = 13,230,638.67/4,119.80
  6. Step 6: Final answer
    x = 3,211.48

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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.