Home / 3,212.30-4,434.57-2,019.02

Finding the Fourth Proportional to 3,212.30, 4,434.57 and 2,019.02

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Solution

The fourth proportional to 3,212.30, 4,434.57 and 2,019.02 is: 2,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.30 : 4,434.57 = 2,019.02 : x
  2. Step 2: Convert to fraction form
    3,212.30/4,434.57 = 2,019.02/x
  3. Step 3: Cross multiply
    3,212.30x = 4,434.57 × 2,019.02
  4. Step 4: Simplify right side
    3,212.30x = 8,953,475.43
  5. Step 5: Solve for x
    x = 8,953,475.43/3,212.30
  6. Step 6: Final answer
    x = 2,787.25

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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.