Home / 3,309.04-4,963.58-1,117.78

Finding the Fourth Proportional to 3,309.04, 4,963.58 and 1,117.78

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Solution

The fourth proportional to 3,309.04, 4,963.58 and 1,117.78 is: 1,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.04 : 4,963.58 = 1,117.78 : x
  2. Step 2: Convert to fraction form
    3,309.04/4,963.58 = 1,117.78/x
  3. Step 3: Cross multiply
    3,309.04x = 4,963.58 × 1,117.78
  4. Step 4: Simplify right side
    3,309.04x = 5,548,190.45
  5. Step 5: Solve for x
    x = 5,548,190.45/3,309.04
  6. Step 6: Final answer
    x = 1,676.68

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Double scale
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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.