Home / 3,036.68-4,191.48-1,778.04

Finding the Fourth Proportional to 3,036.68, 4,191.48 and 1,778.04

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Solution

The fourth proportional to 3,036.68, 4,191.48 and 1,778.04 is: 2,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.68 : 4,191.48 = 1,778.04 : x
  2. Step 2: Convert to fraction form
    3,036.68/4,191.48 = 1,778.04/x
  3. Step 3: Cross multiply
    3,036.68x = 4,191.48 × 1,778.04
  4. Step 4: Simplify right side
    3,036.68x = 7,452,619.10
  5. Step 5: Solve for x
    x = 7,452,619.10/3,036.68
  6. Step 6: Final answer
    x = 2,454.20

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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.