Home / 2,275.16-3,141.06-2,143.94

Finding the Fourth Proportional to 2,275.16, 3,141.06 and 2,143.94

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Solution

The fourth proportional to 2,275.16, 3,141.06 and 2,143.94 is: 2,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.16 : 3,141.06 = 2,143.94 : x
  2. Step 2: Convert to fraction form
    2,275.16/3,141.06 = 2,143.94/x
  3. Step 3: Cross multiply
    2,275.16x = 3,141.06 × 2,143.94
  4. Step 4: Simplify right side
    2,275.16x = 6,734,244.18
  5. Step 5: Solve for x
    x = 6,734,244.18/2,275.16
  6. Step 6: Final answer
    x = 2,959.90

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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.