Home / 3,740.24-5,157.78-3,211.04

Finding the Fourth Proportional to 3,740.24, 5,157.78 and 3,211.04

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Solution

The fourth proportional to 3,740.24, 5,157.78 and 3,211.04 is: 4,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.24 : 5,157.78 = 3,211.04 : x
  2. Step 2: Convert to fraction form
    3,740.24/5,157.78 = 3,211.04/x
  3. Step 3: Cross multiply
    3,740.24x = 5,157.78 × 3,211.04
  4. Step 4: Simplify right side
    3,740.24x = 16,561,837.89
  5. Step 5: Solve for x
    x = 16,561,837.89/3,740.24
  6. Step 6: Final answer
    x = 4,428.01

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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.