Home / 3,191.47-4,404.07-1,775.24

Finding the Fourth Proportional to 3,191.47, 4,404.07 and 1,775.24

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Solution

The fourth proportional to 3,191.47, 4,404.07 and 1,775.24 is: 2,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.47 : 4,404.07 = 1,775.24 : x
  2. Step 2: Convert to fraction form
    3,191.47/4,404.07 = 1,775.24/x
  3. Step 3: Cross multiply
    3,191.47x = 4,404.07 × 1,775.24
  4. Step 4: Simplify right side
    3,191.47x = 7,818,281.23
  5. Step 5: Solve for x
    x = 7,818,281.23/3,191.47
  6. Step 6: Final answer
    x = 2,449.74

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Double scale
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1.5x scale

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.