Home / 3,392.18-5,087.50-927.20

Finding the Fourth Proportional to 3,392.18, 5,087.50 and 927.20

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Solution

The fourth proportional to 3,392.18, 5,087.50 and 927.20 is: 1,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.18 : 5,087.50 = 927.20 : x
  2. Step 2: Convert to fraction form
    3,392.18/5,087.50 = 927.20/x
  3. Step 3: Cross multiply
    3,392.18x = 5,087.50 × 927.20
  4. Step 4: Simplify right side
    3,392.18x = 4,717,130
  5. Step 5: Solve for x
    x = 4,717,130/3,392.18
  6. Step 6: Final answer
    x = 1,390.59

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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.