Home / 3,212.28-4,818.29-1,572.03

Finding the Fourth Proportional to 3,212.28, 4,818.29 and 1,572.03

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Solution

The fourth proportional to 3,212.28, 4,818.29 and 1,572.03 is: 2,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.28 : 4,818.29 = 1,572.03 : x
  2. Step 2: Convert to fraction form
    3,212.28/4,818.29 = 1,572.03/x
  3. Step 3: Cross multiply
    3,212.28x = 4,818.29 × 1,572.03
  4. Step 4: Simplify right side
    3,212.28x = 7,574,488.57
  5. Step 5: Solve for x
    x = 7,574,488.57/3,212.28
  6. Step 6: Final answer
    x = 2,357.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.