Home / 1,461.85-2,202.64-1,207.55

Finding the Fourth Proportional to 1,461.85, 2,202.64 and 1,207.55

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Solution

The fourth proportional to 1,461.85, 2,202.64 and 1,207.55 is: 1,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.85 : 2,202.64 = 1,207.55 : x
  2. Step 2: Convert to fraction form
    1,461.85/2,202.64 = 1,207.55/x
  3. Step 3: Cross multiply
    1,461.85x = 2,202.64 × 1,207.55
  4. Step 4: Simplify right side
    1,461.85x = 2,659,796.69
  5. Step 5: Solve for x
    x = 2,659,796.69/1,461.85
  6. Step 6: Final answer
    x = 1,819.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.