Home / 2,266.14-3,127.51-1,271.43

Finding the Fourth Proportional to 2,266.14, 3,127.51 and 1,271.43

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Solution

The fourth proportional to 2,266.14, 3,127.51 and 1,271.43 is: 1,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.14 : 3,127.51 = 1,271.43 : x
  2. Step 2: Convert to fraction form
    2,266.14/3,127.51 = 1,271.43/x
  3. Step 3: Cross multiply
    2,266.14x = 3,127.51 × 1,271.43
  4. Step 4: Simplify right side
    2,266.14x = 3,976,411.63
  5. Step 5: Solve for x
    x = 3,976,411.63/2,266.14
  6. Step 6: Final answer
    x = 1,754.70

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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.