Home / 2,513.04-3,769.20-1,281.35

Finding the Fourth Proportional to 2,513.04, 3,769.20 and 1,281.35

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Solution

The fourth proportional to 2,513.04, 3,769.20 and 1,281.35 is: 1,921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.04 : 3,769.20 = 1,281.35 : x
  2. Step 2: Convert to fraction form
    2,513.04/3,769.20 = 1,281.35/x
  3. Step 3: Cross multiply
    2,513.04x = 3,769.20 × 1,281.35
  4. Step 4: Simplify right side
    2,513.04x = 4,829,645.57
  5. Step 5: Solve for x
    x = 4,829,645.57/2,513.04
  6. Step 6: Final answer
    x = 1,921.83

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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.