Home / 2,266.35-3,127.47-1,271.45

Finding the Fourth Proportional to 2,266.35, 3,127.47 and 1,271.45

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Solution

The fourth proportional to 2,266.35, 3,127.47 and 1,271.45 is: 1,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.35 : 3,127.47 = 1,271.45 : x
  2. Step 2: Convert to fraction form
    2,266.35/3,127.47 = 1,271.45/x
  3. Step 3: Cross multiply
    2,266.35x = 3,127.47 × 1,271.45
  4. Step 4: Simplify right side
    2,266.35x = 3,976,406.09
  5. Step 5: Solve for x
    x = 3,976,406.09/2,266.35
  6. Step 6: Final answer
    x = 1,754.54

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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.