Home / 1,347.27-2,020.95-1,088.79

Finding the Fourth Proportional to 1,347.27, 2,020.95 and 1,088.79

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Solution

The fourth proportional to 1,347.27, 2,020.95 and 1,088.79 is: 1,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.27 : 2,020.95 = 1,088.79 : x
  2. Step 2: Convert to fraction form
    1,347.27/2,020.95 = 1,088.79/x
  3. Step 3: Cross multiply
    1,347.27x = 2,020.95 × 1,088.79
  4. Step 4: Simplify right side
    1,347.27x = 2,200,390.15
  5. Step 5: Solve for x
    x = 2,200,390.15/1,347.27
  6. Step 6: Final answer
    x = 1,633.22

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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.