Home / 3,488.59-5,233.07-1,380.23

Finding the Fourth Proportional to 3,488.59, 5,233.07 and 1,380.23

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Solution

The fourth proportional to 3,488.59, 5,233.07 and 1,380.23 is: 2,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.59 : 5,233.07 = 1,380.23 : x
  2. Step 2: Convert to fraction form
    3,488.59/5,233.07 = 1,380.23/x
  3. Step 3: Cross multiply
    3,488.59x = 5,233.07 × 1,380.23
  4. Step 4: Simplify right side
    3,488.59x = 7,222,840.21
  5. Step 5: Solve for x
    x = 7,222,840.21/3,488.59
  6. Step 6: Final answer
    x = 2,070.42

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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.