Home / 3,308.86-4,963.97-1,117.55

Finding the Fourth Proportional to 3,308.86, 4,963.97 and 1,117.55

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Solution

The fourth proportional to 3,308.86, 4,963.97 and 1,117.55 is: 1,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.86 : 4,963.97 = 1,117.55 : x
  2. Step 2: Convert to fraction form
    3,308.86/4,963.97 = 1,117.55/x
  3. Step 3: Cross multiply
    3,308.86x = 4,963.97 × 1,117.55
  4. Step 4: Simplify right side
    3,308.86x = 5,547,491.50
  5. Step 5: Solve for x
    x = 5,547,491.50/3,308.86
  6. Step 6: Final answer
    x = 1,676.56

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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.