Home / 3,433.19-5,148.56-2,117.64

Finding the Fourth Proportional to 3,433.19, 5,148.56 and 2,117.64

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Solution

The fourth proportional to 3,433.19, 5,148.56 and 2,117.64 is: 3,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.19 : 5,148.56 = 2,117.64 : x
  2. Step 2: Convert to fraction form
    3,433.19/5,148.56 = 2,117.64/x
  3. Step 3: Cross multiply
    3,433.19x = 5,148.56 × 2,117.64
  4. Step 4: Simplify right side
    3,433.19x = 10,902,821.20
  5. Step 5: Solve for x
    x = 10,902,821.20/3,433.19
  6. Step 6: Final answer
    x = 3,175.72

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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.