Home / 3,294.52-4,938.90-1,561.84

Finding the Fourth Proportional to 3,294.52, 4,938.90 and 1,561.84

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Solution

The fourth proportional to 3,294.52, 4,938.90 and 1,561.84 is: 2,341.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.52 : 4,938.90 = 1,561.84 : x
  2. Step 2: Convert to fraction form
    3,294.52/4,938.90 = 1,561.84/x
  3. Step 3: Cross multiply
    3,294.52x = 4,938.90 × 1,561.84
  4. Step 4: Simplify right side
    3,294.52x = 7,713,771.58
  5. Step 5: Solve for x
    x = 7,713,771.58/3,294.52
  6. Step 6: Final answer
    x = 2,341.39

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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.