Home / 3,308.74-4,963.68-1,117.48

Finding the Fourth Proportional to 3,308.74, 4,963.68 and 1,117.48

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Solution

The fourth proportional to 3,308.74, 4,963.68 and 1,117.48 is: 1,676.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.74 : 4,963.68 = 1,117.48 : x
  2. Step 2: Convert to fraction form
    3,308.74/4,963.68 = 1,117.48/x
  3. Step 3: Cross multiply
    3,308.74x = 4,963.68 × 1,117.48
  4. Step 4: Simplify right side
    3,308.74x = 5,546,813.13
  5. Step 5: Solve for x
    x = 5,546,813.13/3,308.74
  6. Step 6: Final answer
    x = 1,676.41

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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.