Home / 2,271.22-3,133.21-1,943.17

Finding the Fourth Proportional to 2,271.22, 3,133.21 and 1,943.17

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Solution

The fourth proportional to 2,271.22, 3,133.21 and 1,943.17 is: 2,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.22 : 3,133.21 = 1,943.17 : x
  2. Step 2: Convert to fraction form
    2,271.22/3,133.21 = 1,943.17/x
  3. Step 3: Cross multiply
    2,271.22x = 3,133.21 × 1,943.17
  4. Step 4: Simplify right side
    2,271.22x = 6,088,359.68
  5. Step 5: Solve for x
    x = 6,088,359.68/2,271.22
  6. Step 6: Final answer
    x = 2,680.66

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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.