Home / 4,187.32-5,778.54-2,418.76

Finding the Fourth Proportional to 4,187.32, 5,778.54 and 2,418.76

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Solution

The fourth proportional to 4,187.32, 5,778.54 and 2,418.76 is: 3,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.32 : 5,778.54 = 2,418.76 : x
  2. Step 2: Convert to fraction form
    4,187.32/5,778.54 = 2,418.76/x
  3. Step 3: Cross multiply
    4,187.32x = 5,778.54 × 2,418.76
  4. Step 4: Simplify right side
    4,187.32x = 13,976,901.41
  5. Step 5: Solve for x
    x = 13,976,901.41/4,187.32
  6. Step 6: Final answer
    x = 3,337.91

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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.