Home / 3,256.28-4,494.12-1,931.12

Finding the Fourth Proportional to 3,256.28, 4,494.12 and 1,931.12

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Solution

The fourth proportional to 3,256.28, 4,494.12 and 1,931.12 is: 2,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.28 : 4,494.12 = 1,931.12 : x
  2. Step 2: Convert to fraction form
    3,256.28/4,494.12 = 1,931.12/x
  3. Step 3: Cross multiply
    3,256.28x = 4,494.12 × 1,931.12
  4. Step 4: Simplify right side
    3,256.28x = 8,678,685.01
  5. Step 5: Solve for x
    x = 8,678,685.01/3,256.28
  6. Step 6: Final answer
    x = 2,665.21

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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.