Home / 2,371.25-3,272.31-1,377.11

Finding the Fourth Proportional to 2,371.25, 3,272.31 and 1,377.11

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Solution

The fourth proportional to 2,371.25, 3,272.31 and 1,377.11 is: 1,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.25 : 3,272.31 = 1,377.11 : x
  2. Step 2: Convert to fraction form
    2,371.25/3,272.31 = 1,377.11/x
  3. Step 3: Cross multiply
    2,371.25x = 3,272.31 × 1,377.11
  4. Step 4: Simplify right side
    2,371.25x = 4,506,314.46
  5. Step 5: Solve for x
    x = 4,506,314.46/2,371.25
  6. Step 6: Final answer
    x = 1,900.40

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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.