Home / 3,531.75-5,293.59-1,680.24

Finding the Fourth Proportional to 3,531.75, 5,293.59 and 1,680.24

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Solution

The fourth proportional to 3,531.75, 5,293.59 and 1,680.24 is: 2,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.75 : 5,293.59 = 1,680.24 : x
  2. Step 2: Convert to fraction form
    3,531.75/5,293.59 = 1,680.24/x
  3. Step 3: Cross multiply
    3,531.75x = 5,293.59 × 1,680.24
  4. Step 4: Simplify right side
    3,531.75x = 8,894,501.66
  5. Step 5: Solve for x
    x = 8,894,501.66/3,531.75
  6. Step 6: Final answer
    x = 2,518.44

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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.