Home / 3,528.57-5,291.78-2,439.93

Finding the Fourth Proportional to 3,528.57, 5,291.78 and 2,439.93

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Solution

The fourth proportional to 3,528.57, 5,291.78 and 2,439.93 is: 3,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.57 : 5,291.78 = 2,439.93 : x
  2. Step 2: Convert to fraction form
    3,528.57/5,291.78 = 2,439.93/x
  3. Step 3: Cross multiply
    3,528.57x = 5,291.78 × 2,439.93
  4. Step 4: Simplify right side
    3,528.57x = 12,911,572.78
  5. Step 5: Solve for x
    x = 12,911,572.78/3,528.57
  6. Step 6: Final answer
    x = 3,659.15

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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.