Home / 3,140.53-4,324.08-2,667.43

Finding the Fourth Proportional to 3,140.53, 4,324.08 and 2,667.43

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Solution

The fourth proportional to 3,140.53, 4,324.08 and 2,667.43 is: 3,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.53 : 4,324.08 = 2,667.43 : x
  2. Step 2: Convert to fraction form
    3,140.53/4,324.08 = 2,667.43/x
  3. Step 3: Cross multiply
    3,140.53x = 4,324.08 × 2,667.43
  4. Step 4: Simplify right side
    3,140.53x = 11,534,180.71
  5. Step 5: Solve for x
    x = 11,534,180.71/3,140.53
  6. Step 6: Final answer
    x = 3,672.69

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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.