Home / 3,308.81-4,963.22-1,117.55

Finding the Fourth Proportional to 3,308.81, 4,963.22 and 1,117.55

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Solution

The fourth proportional to 3,308.81, 4,963.22 and 1,117.55 is: 1,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.81 : 4,963.22 = 1,117.55 : x
  2. Step 2: Convert to fraction form
    3,308.81/4,963.22 = 1,117.55/x
  3. Step 3: Cross multiply
    3,308.81x = 4,963.22 × 1,117.55
  4. Step 4: Simplify right side
    3,308.81x = 5,546,616.11
  5. Step 5: Solve for x
    x = 5,546,616.11/3,308.81
  6. Step 6: Final answer
    x = 1,676.32

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Double scale
Find fourth proportional to 3,309.81, 4,964.72 and 1,118.55
Similar ratio
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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.