Home / 3,217.28-4,440.32-2,038.46

Finding the Fourth Proportional to 3,217.28, 4,440.32 and 2,038.46

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Solution

The fourth proportional to 3,217.28, 4,440.32 and 2,038.46 is: 2,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.28 : 4,440.32 = 2,038.46 : x
  2. Step 2: Convert to fraction form
    3,217.28/4,440.32 = 2,038.46/x
  3. Step 3: Cross multiply
    3,217.28x = 4,440.32 × 2,038.46
  4. Step 4: Simplify right side
    3,217.28x = 9,051,414.71
  5. Step 5: Solve for x
    x = 9,051,414.71/3,217.28
  6. Step 6: Final answer
    x = 2,813.37

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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.