Home / 1,353.27-2,030.06-1,279.46

Finding the Fourth Proportional to 1,353.27, 2,030.06 and 1,279.46

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Solution

The fourth proportional to 1,353.27, 2,030.06 and 1,279.46 is: 1,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.27 : 2,030.06 = 1,279.46 : x
  2. Step 2: Convert to fraction form
    1,353.27/2,030.06 = 1,279.46/x
  3. Step 3: Cross multiply
    1,353.27x = 2,030.06 × 1,279.46
  4. Step 4: Simplify right side
    1,353.27x = 2,597,378.69
  5. Step 5: Solve for x
    x = 2,597,378.69/1,353.27
  6. Step 6: Final answer
    x = 1,919.34

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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.