Home / 2,460.09-3,394.11-1,397.73

Finding the Fourth Proportional to 2,460.09, 3,394.11 and 1,397.73

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Solution

The fourth proportional to 2,460.09, 3,394.11 and 1,397.73 is: 1,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.09 : 3,394.11 = 1,397.73 : x
  2. Step 2: Convert to fraction form
    2,460.09/3,394.11 = 1,397.73/x
  3. Step 3: Cross multiply
    2,460.09x = 3,394.11 × 1,397.73
  4. Step 4: Simplify right side
    2,460.09x = 4,744,049.37
  5. Step 5: Solve for x
    x = 4,744,049.37/2,460.09
  6. Step 6: Final answer
    x = 1,928.40

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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.