Home / 2,707.39-4,062.90-1,758.46

Finding the Fourth Proportional to 2,707.39, 4,062.90 and 1,758.46

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Solution

The fourth proportional to 2,707.39, 4,062.90 and 1,758.46 is: 2,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.39 : 4,062.90 = 1,758.46 : x
  2. Step 2: Convert to fraction form
    2,707.39/4,062.90 = 1,758.46/x
  3. Step 3: Cross multiply
    2,707.39x = 4,062.90 × 1,758.46
  4. Step 4: Simplify right side
    2,707.39x = 7,144,447.13
  5. Step 5: Solve for x
    x = 7,144,447.13/2,707.39
  6. Step 6: Final answer
    x = 2,638.87

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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.