Home / 2,266.17-3,127.50-1,271.54

Finding the Fourth Proportional to 2,266.17, 3,127.50 and 1,271.54

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Solution

The fourth proportional to 2,266.17, 3,127.50 and 1,271.54 is: 1,754.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.17 : 3,127.50 = 1,271.54 : x
  2. Step 2: Convert to fraction form
    2,266.17/3,127.50 = 1,271.54/x
  3. Step 3: Cross multiply
    2,266.17x = 3,127.50 × 1,271.54
  4. Step 4: Simplify right side
    2,266.17x = 3,976,734.99
  5. Step 5: Solve for x
    x = 3,976,734.99/2,266.17
  6. Step 6: Final answer
    x = 1,754.83

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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.