Home / 3,307.74-4,960.35-1,115.88

Finding the Fourth Proportional to 3,307.74, 4,960.35 and 1,115.88

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Solution

The fourth proportional to 3,307.74, 4,960.35 and 1,115.88 is: 1,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.74 : 4,960.35 = 1,115.88 : x
  2. Step 2: Convert to fraction form
    3,307.74/4,960.35 = 1,115.88/x
  3. Step 3: Cross multiply
    3,307.74x = 4,960.35 × 1,115.88
  4. Step 4: Simplify right side
    3,307.74x = 5,535,155.36
  5. Step 5: Solve for x
    x = 5,535,155.36/3,307.74
  6. Step 6: Final answer
    x = 1,673.39

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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.