Home / 3,074.19-4,237.41-2,131.35

Finding the Fourth Proportional to 3,074.19, 4,237.41 and 2,131.35

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Solution

The fourth proportional to 3,074.19, 4,237.41 and 2,131.35 is: 2,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.19 : 4,237.41 = 2,131.35 : x
  2. Step 2: Convert to fraction form
    3,074.19/4,237.41 = 2,131.35/x
  3. Step 3: Cross multiply
    3,074.19x = 4,237.41 × 2,131.35
  4. Step 4: Simplify right side
    3,074.19x = 9,031,403.80
  5. Step 5: Solve for x
    x = 9,031,403.80/3,074.19
  6. Step 6: Final answer
    x = 2,937.82

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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.