Home / 3,486.10-5,227.28-1,404.40

Finding the Fourth Proportional to 3,486.10, 5,227.28 and 1,404.40

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Solution

The fourth proportional to 3,486.10, 5,227.28 and 1,404.40 is: 2,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.10 : 5,227.28 = 1,404.40 : x
  2. Step 2: Convert to fraction form
    3,486.10/5,227.28 = 1,404.40/x
  3. Step 3: Cross multiply
    3,486.10x = 5,227.28 × 1,404.40
  4. Step 4: Simplify right side
    3,486.10x = 7,341,192.03
  5. Step 5: Solve for x
    x = 7,341,192.03/3,486.10
  6. Step 6: Final answer
    x = 2,105.85

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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.