Home / 3,181.02-4,392.18-2,743.62

Finding the Fourth Proportional to 3,181.02, 4,392.18 and 2,743.62

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Solution

The fourth proportional to 3,181.02, 4,392.18 and 2,743.62 is: 3,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.02 : 4,392.18 = 2,743.62 : x
  2. Step 2: Convert to fraction form
    3,181.02/4,392.18 = 2,743.62/x
  3. Step 3: Cross multiply
    3,181.02x = 4,392.18 × 2,743.62
  4. Step 4: Simplify right side
    3,181.02x = 12,050,472.89
  5. Step 5: Solve for x
    x = 12,050,472.89/3,181.02
  6. Step 6: Final answer
    x = 3,788.24

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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.