Home / 2,456.92-3,392.17-1,888.74

Finding the Fourth Proportional to 2,456.92, 3,392.17 and 1,888.74

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Solution

The fourth proportional to 2,456.92, 3,392.17 and 1,888.74 is: 2,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.92 : 3,392.17 = 1,888.74 : x
  2. Step 2: Convert to fraction form
    2,456.92/3,392.17 = 1,888.74/x
  3. Step 3: Cross multiply
    2,456.92x = 3,392.17 × 1,888.74
  4. Step 4: Simplify right side
    2,456.92x = 6,406,927.17
  5. Step 5: Solve for x
    x = 6,406,927.17/2,456.92
  6. Step 6: Final answer
    x = 2,607.71

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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.