Home / 3,665.40-5,498.10-1,474.13

Finding the Fourth Proportional to 3,665.40, 5,498.10 and 1,474.13

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Solution

The fourth proportional to 3,665.40, 5,498.10 and 1,474.13 is: 2,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.40 : 5,498.10 = 1,474.13 : x
  2. Step 2: Convert to fraction form
    3,665.40/5,498.10 = 1,474.13/x
  3. Step 3: Cross multiply
    3,665.40x = 5,498.10 × 1,474.13
  4. Step 4: Simplify right side
    3,665.40x = 8,104,914.15
  5. Step 5: Solve for x
    x = 8,104,914.15/3,665.40
  6. Step 6: Final answer
    x = 2,211.20

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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.