Home / 2,257.14-3,115.34-1,373.23

Finding the Fourth Proportional to 2,257.14, 3,115.34 and 1,373.23

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Solution

The fourth proportional to 2,257.14, 3,115.34 and 1,373.23 is: 1,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.14 : 3,115.34 = 1,373.23 : x
  2. Step 2: Convert to fraction form
    2,257.14/3,115.34 = 1,373.23/x
  3. Step 3: Cross multiply
    2,257.14x = 3,115.34 × 1,373.23
  4. Step 4: Simplify right side
    2,257.14x = 4,278,088.25
  5. Step 5: Solve for x
    x = 4,278,088.25/2,257.14
  6. Step 6: Final answer
    x = 1,895.35

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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.