Home / 4,138.75-5,711.40-2,346.22

Finding the Fourth Proportional to 4,138.75, 5,711.40 and 2,346.22

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Solution

The fourth proportional to 4,138.75, 5,711.40 and 2,346.22 is: 3,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.75 : 5,711.40 = 2,346.22 : x
  2. Step 2: Convert to fraction form
    4,138.75/5,711.40 = 2,346.22/x
  3. Step 3: Cross multiply
    4,138.75x = 5,711.40 × 2,346.22
  4. Step 4: Simplify right side
    4,138.75x = 13,400,200.91
  5. Step 5: Solve for x
    x = 13,400,200.91/4,138.75
  6. Step 6: Final answer
    x = 3,237.74

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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.