Home / 3,392.35-5,088.83-927.18

Finding the Fourth Proportional to 3,392.35, 5,088.83 and 927.18

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Solution

The fourth proportional to 3,392.35, 5,088.83 and 927.18 is: 1,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.35 : 5,088.83 = 927.18 : x
  2. Step 2: Convert to fraction form
    3,392.35/5,088.83 = 927.18/x
  3. Step 3: Cross multiply
    3,392.35x = 5,088.83 × 927.18
  4. Step 4: Simplify right side
    3,392.35x = 4,718,256.76
  5. Step 5: Solve for x
    x = 4,718,256.76/3,392.35
  6. Step 6: Final answer
    x = 1,390.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.