Home / 3,307.59-4,961.61-1,115.58

Finding the Fourth Proportional to 3,307.59, 4,961.61 and 1,115.58

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Solution

The fourth proportional to 3,307.59, 4,961.61 and 1,115.58 is: 1,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.59 : 4,961.61 = 1,115.58 : x
  2. Step 2: Convert to fraction form
    3,307.59/4,961.61 = 1,115.58/x
  3. Step 3: Cross multiply
    3,307.59x = 4,961.61 × 1,115.58
  4. Step 4: Simplify right side
    3,307.59x = 5,535,072.88
  5. Step 5: Solve for x
    x = 5,535,072.88/3,307.59
  6. Step 6: Final answer
    x = 1,673.45

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1.5x scale

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.