Home / 3,139.15-4,705.06-1,404.13

Finding the Fourth Proportional to 3,139.15, 4,705.06 and 1,404.13

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Solution

The fourth proportional to 3,139.15, 4,705.06 and 1,404.13 is: 2,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.15 : 4,705.06 = 1,404.13 : x
  2. Step 2: Convert to fraction form
    3,139.15/4,705.06 = 1,404.13/x
  3. Step 3: Cross multiply
    3,139.15x = 4,705.06 × 1,404.13
  4. Step 4: Simplify right side
    3,139.15x = 6,606,515.90
  5. Step 5: Solve for x
    x = 6,606,515.90/3,139.15
  6. Step 6: Final answer
    x = 2,104.56

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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.