Home / 2,498.12-3,447.48-1,379.14

Finding the Fourth Proportional to 2,498.12, 3,447.48 and 1,379.14

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Solution

The fourth proportional to 2,498.12, 3,447.48 and 1,379.14 is: 1,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,498.12 : 3,447.48 = 1,379.14 : x
  2. Step 2: Convert to fraction form
    2,498.12/3,447.48 = 1,379.14/x
  3. Step 3: Cross multiply
    2,498.12x = 3,447.48 × 1,379.14
  4. Step 4: Simplify right side
    2,498.12x = 4,754,557.57
  5. Step 5: Solve for x
    x = 4,754,557.57/2,498.12
  6. Step 6: Final answer
    x = 1,903.25

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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.