Home / 1,350.58-2,013.92-1,186.72

Finding the Fourth Proportional to 1,350.58, 2,013.92 and 1,186.72

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Solution

The fourth proportional to 1,350.58, 2,013.92 and 1,186.72 is: 1,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.58 : 2,013.92 = 1,186.72 : x
  2. Step 2: Convert to fraction form
    1,350.58/2,013.92 = 1,186.72/x
  3. Step 3: Cross multiply
    1,350.58x = 2,013.92 × 1,186.72
  4. Step 4: Simplify right side
    1,350.58x = 2,389,959.14
  5. Step 5: Solve for x
    x = 2,389,959.14/1,350.58
  6. Step 6: Final answer
    x = 1,769.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.