Home / 3,473.90-5,211.10-1,282.80

Finding the Fourth Proportional to 3,473.90, 5,211.10 and 1,282.80

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Solution

The fourth proportional to 3,473.90, 5,211.10 and 1,282.80 is: 1,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.90 : 5,211.10 = 1,282.80 : x
  2. Step 2: Convert to fraction form
    3,473.90/5,211.10 = 1,282.80/x
  3. Step 3: Cross multiply
    3,473.90x = 5,211.10 × 1,282.80
  4. Step 4: Simplify right side
    3,473.90x = 6,684,799.08
  5. Step 5: Solve for x
    x = 6,684,799.08/3,473.90
  6. Step 6: Final answer
    x = 1,924.29

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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.