Home / 3,473.34-5,207.56-1,281.78

Finding the Fourth Proportional to 3,473.34, 5,207.56 and 1,281.78

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Solution

The fourth proportional to 3,473.34, 5,207.56 and 1,281.78 is: 1,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.34 : 5,207.56 = 1,281.78 : x
  2. Step 2: Convert to fraction form
    3,473.34/5,207.56 = 1,281.78/x
  3. Step 3: Cross multiply
    3,473.34x = 5,207.56 × 1,281.78
  4. Step 4: Simplify right side
    3,473.34x = 6,674,946.26
  5. Step 5: Solve for x
    x = 6,674,946.26/3,473.34
  6. Step 6: Final answer
    x = 1,921.77

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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.