Home / 4,138.26-5,711.08-2,275.26

Finding the Fourth Proportional to 4,138.26, 5,711.08 and 2,275.26

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Solution

The fourth proportional to 4,138.26, 5,711.08 and 2,275.26 is: 3,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.26 : 5,711.08 = 2,275.26 : x
  2. Step 2: Convert to fraction form
    4,138.26/5,711.08 = 2,275.26/x
  3. Step 3: Cross multiply
    4,138.26x = 5,711.08 × 2,275.26
  4. Step 4: Simplify right side
    4,138.26x = 12,994,191.88
  5. Step 5: Solve for x
    x = 12,994,191.88/4,138.26
  6. Step 6: Final answer
    x = 3,140.01

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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.