Home / 1,347.38-2,011.06-1,161.48

Finding the Fourth Proportional to 1,347.38, 2,011.06 and 1,161.48

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Solution

The fourth proportional to 1,347.38, 2,011.06 and 1,161.48 is: 1,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.38 : 2,011.06 = 1,161.48 : x
  2. Step 2: Convert to fraction form
    1,347.38/2,011.06 = 1,161.48/x
  3. Step 3: Cross multiply
    1,347.38x = 2,011.06 × 1,161.48
  4. Step 4: Simplify right side
    1,347.38x = 2,335,805.97
  5. Step 5: Solve for x
    x = 2,335,805.97/1,347.38
  6. Step 6: Final answer
    x = 1,733.59

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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.