Home / 3,217.84-4,440.51-1,820.59

Finding the Fourth Proportional to 3,217.84, 4,440.51 and 1,820.59

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Solution

The fourth proportional to 3,217.84, 4,440.51 and 1,820.59 is: 2,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.84 : 4,440.51 = 1,820.59 : x
  2. Step 2: Convert to fraction form
    3,217.84/4,440.51 = 1,820.59/x
  3. Step 3: Cross multiply
    3,217.84x = 4,440.51 × 1,820.59
  4. Step 4: Simplify right side
    3,217.84x = 8,084,348.10
  5. Step 5: Solve for x
    x = 8,084,348.10/3,217.84
  6. Step 6: Final answer
    x = 2,512.35

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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.