Home / 3,217.74-4,440.36-1,820.52

Finding the Fourth Proportional to 3,217.74, 4,440.36 and 1,820.52

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Solution

The fourth proportional to 3,217.74, 4,440.36 and 1,820.52 is: 2,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.74 : 4,440.36 = 1,820.52 : x
  2. Step 2: Convert to fraction form
    3,217.74/4,440.36 = 1,820.52/x
  3. Step 3: Cross multiply
    3,217.74x = 4,440.36 × 1,820.52
  4. Step 4: Simplify right side
    3,217.74x = 8,083,764.19
  5. Step 5: Solve for x
    x = 8,083,764.19/3,217.74
  6. Step 6: Final answer
    x = 2,512.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.