Home / 2,254.97-3,110.81-1,370.18

Finding the Fourth Proportional to 2,254.97, 3,110.81 and 1,370.18

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Solution

The fourth proportional to 2,254.97, 3,110.81 and 1,370.18 is: 1,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.97 : 3,110.81 = 1,370.18 : x
  2. Step 2: Convert to fraction form
    2,254.97/3,110.81 = 1,370.18/x
  3. Step 3: Cross multiply
    2,254.97x = 3,110.81 × 1,370.18
  4. Step 4: Simplify right side
    2,254.97x = 4,262,370.57
  5. Step 5: Solve for x
    x = 4,262,370.57/2,254.97
  6. Step 6: Final answer
    x = 1,890.21

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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.