Home / 2,392.31-3,302.90-1,647.11

Finding the Fourth Proportional to 2,392.31, 3,302.90 and 1,647.11

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Solution

The fourth proportional to 2,392.31, 3,302.90 and 1,647.11 is: 2,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.31 : 3,302.90 = 1,647.11 : x
  2. Step 2: Convert to fraction form
    2,392.31/3,302.90 = 1,647.11/x
  3. Step 3: Cross multiply
    2,392.31x = 3,302.90 × 1,647.11
  4. Step 4: Simplify right side
    2,392.31x = 5,440,239.62
  5. Step 5: Solve for x
    x = 5,440,239.62/2,392.31
  6. Step 6: Final answer
    x = 2,274.05

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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.