Home / 3,309.14-4,963.74-1,117.70

Finding the Fourth Proportional to 3,309.14, 4,963.74 and 1,117.70

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Solution

The fourth proportional to 3,309.14, 4,963.74 and 1,117.70 is: 1,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.14 : 4,963.74 = 1,117.70 : x
  2. Step 2: Convert to fraction form
    3,309.14/4,963.74 = 1,117.70/x
  3. Step 3: Cross multiply
    3,309.14x = 4,963.74 × 1,117.70
  4. Step 4: Simplify right side
    3,309.14x = 5,547,972.20
  5. Step 5: Solve for x
    x = 5,547,972.20/3,309.14
  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.