Home / 2,314.40-3,193.86-1,266.48

Finding the Fourth Proportional to 2,314.40, 3,193.86 and 1,266.48

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Solution

The fourth proportional to 2,314.40, 3,193.86 and 1,266.48 is: 1,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.40 : 3,193.86 = 1,266.48 : x
  2. Step 2: Convert to fraction form
    2,314.40/3,193.86 = 1,266.48/x
  3. Step 3: Cross multiply
    2,314.40x = 3,193.86 × 1,266.48
  4. Step 4: Simplify right side
    2,314.40x = 4,044,959.81
  5. Step 5: Solve for x
    x = 4,044,959.81/2,314.40
  6. Step 6: Final answer
    x = 1,747.74

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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.