Home / 3,460.38-5,191.25-1,120.97

Finding the Fourth Proportional to 3,460.38, 5,191.25 and 1,120.97

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Solution

The fourth proportional to 3,460.38, 5,191.25 and 1,120.97 is: 1,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.38 : 5,191.25 = 1,120.97 : x
  2. Step 2: Convert to fraction form
    3,460.38/5,191.25 = 1,120.97/x
  3. Step 3: Cross multiply
    3,460.38x = 5,191.25 × 1,120.97
  4. Step 4: Simplify right side
    3,460.38x = 5,819,235.51
  5. Step 5: Solve for x
    x = 5,819,235.51/3,460.38
  6. Step 6: Final answer
    x = 1,681.68

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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.