Home / 3,085.67-4,257.02-1,966.41

Finding the Fourth Proportional to 3,085.67, 4,257.02 and 1,966.41

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Solution

The fourth proportional to 3,085.67, 4,257.02 and 1,966.41 is: 2,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.67 : 4,257.02 = 1,966.41 : x
  2. Step 2: Convert to fraction form
    3,085.67/4,257.02 = 1,966.41/x
  3. Step 3: Cross multiply
    3,085.67x = 4,257.02 × 1,966.41
  4. Step 4: Simplify right side
    3,085.67x = 8,371,036.87
  5. Step 5: Solve for x
    x = 8,371,036.87/3,085.67
  6. Step 6: Final answer
    x = 2,712.88

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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.