Home / 3,901.01-5,381.67-2,328.20

Finding the Fourth Proportional to 3,901.01, 5,381.67 and 2,328.20

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Solution

The fourth proportional to 3,901.01, 5,381.67 and 2,328.20 is: 3,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.01 : 5,381.67 = 2,328.20 : x
  2. Step 2: Convert to fraction form
    3,901.01/5,381.67 = 2,328.20/x
  3. Step 3: Cross multiply
    3,901.01x = 5,381.67 × 2,328.20
  4. Step 4: Simplify right side
    3,901.01x = 12,529,577.19
  5. Step 5: Solve for x
    x = 12,529,577.19/3,901.01
  6. Step 6: Final answer
    x = 3,211.88

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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.