Home / 3,144.42-4,328.64-2,397.06

Finding the Fourth Proportional to 3,144.42, 4,328.64 and 2,397.06

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Solution

The fourth proportional to 3,144.42, 4,328.64 and 2,397.06 is: 3,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.42 : 4,328.64 = 2,397.06 : x
  2. Step 2: Convert to fraction form
    3,144.42/4,328.64 = 2,397.06/x
  3. Step 3: Cross multiply
    3,144.42x = 4,328.64 × 2,397.06
  4. Step 4: Simplify right side
    3,144.42x = 10,376,009.80
  5. Step 5: Solve for x
    x = 10,376,009.80/3,144.42
  6. Step 6: Final answer
    x = 3,299.82

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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.