Home / 3,126.86-4,306.26-3,058.82

Finding the Fourth Proportional to 3,126.86, 4,306.26 and 3,058.82

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Solution

The fourth proportional to 3,126.86, 4,306.26 and 3,058.82 is: 4,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.86 : 4,306.26 = 3,058.82 : x
  2. Step 2: Convert to fraction form
    3,126.86/4,306.26 = 3,058.82/x
  3. Step 3: Cross multiply
    3,126.86x = 4,306.26 × 3,058.82
  4. Step 4: Simplify right side
    3,126.86x = 13,172,074.21
  5. Step 5: Solve for x
    x = 13,172,074.21/3,126.86
  6. Step 6: Final answer
    x = 4,212.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.