Home / 3,217.93-4,440.30-1,801.72

Finding the Fourth Proportional to 3,217.93, 4,440.30 and 1,801.72

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Solution

The fourth proportional to 3,217.93, 4,440.30 and 1,801.72 is: 2,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.93 : 4,440.30 = 1,801.72 : x
  2. Step 2: Convert to fraction form
    3,217.93/4,440.30 = 1,801.72/x
  3. Step 3: Cross multiply
    3,217.93x = 4,440.30 × 1,801.72
  4. Step 4: Simplify right side
    3,217.93x = 8,000,177.32
  5. Step 5: Solve for x
    x = 8,000,177.32/3,217.93
  6. Step 6: Final answer
    x = 2,486.13

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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.