Home / 3,445.42-5,145.68-2,753.14

Finding the Fourth Proportional to 3,445.42, 5,145.68 and 2,753.14

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Solution

The fourth proportional to 3,445.42, 5,145.68 and 2,753.14 is: 4,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.42 : 5,145.68 = 2,753.14 : x
  2. Step 2: Convert to fraction form
    3,445.42/5,145.68 = 2,753.14/x
  3. Step 3: Cross multiply
    3,445.42x = 5,145.68 × 2,753.14
  4. Step 4: Simplify right side
    3,445.42x = 14,166,777.44
  5. Step 5: Solve for x
    x = 14,166,777.44/3,445.42
  6. Step 6: Final answer
    x = 4,111.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.