Home / 3,474.15-5,211.01-1,008.91

Finding the Fourth Proportional to 3,474.15, 5,211.01 and 1,008.91

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Solution

The fourth proportional to 3,474.15, 5,211.01 and 1,008.91 is: 1,513.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.15 : 5,211.01 = 1,008.91 : x
  2. Step 2: Convert to fraction form
    3,474.15/5,211.01 = 1,008.91/x
  3. Step 3: Cross multiply
    3,474.15x = 5,211.01 × 1,008.91
  4. Step 4: Simplify right side
    3,474.15x = 5,257,440.10
  5. Step 5: Solve for x
    x = 5,257,440.10/3,474.15
  6. Step 6: Final answer
    x = 1,513.30

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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.