Home / 3,097.38-4,642.47-1,711.56

Finding the Fourth Proportional to 3,097.38, 4,642.47 and 1,711.56

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Solution

The fourth proportional to 3,097.38, 4,642.47 and 1,711.56 is: 2,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.38 : 4,642.47 = 1,711.56 : x
  2. Step 2: Convert to fraction form
    3,097.38/4,642.47 = 1,711.56/x
  3. Step 3: Cross multiply
    3,097.38x = 4,642.47 × 1,711.56
  4. Step 4: Simplify right side
    3,097.38x = 7,945,865.95
  5. Step 5: Solve for x
    x = 7,945,865.95/3,097.38
  6. Step 6: Final answer
    x = 2,565.35

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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.