Home / 1,514.11-2,271.56-734.49

Finding the Fourth Proportional to 1,514.11, 2,271.56 and 734.49

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Solution

The fourth proportional to 1,514.11, 2,271.56 and 734.49 is: 1,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.11 : 2,271.56 = 734.49 : x
  2. Step 2: Convert to fraction form
    1,514.11/2,271.56 = 734.49/x
  3. Step 3: Cross multiply
    1,514.11x = 2,271.56 × 734.49
  4. Step 4: Simplify right side
    1,514.11x = 1,668,438.10
  5. Step 5: Solve for x
    x = 1,668,438.10/1,514.11
  6. Step 6: Final answer
    x = 1,101.93

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Double scale
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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.