Home / 3,528.51-5,291.69-2,439.87

Finding the Fourth Proportional to 3,528.51, 5,291.69 and 2,439.87

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Solution

The fourth proportional to 3,528.51, 5,291.69 and 2,439.87 is: 3,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.51 : 5,291.69 = 2,439.87 : x
  2. Step 2: Convert to fraction form
    3,528.51/5,291.69 = 2,439.87/x
  3. Step 3: Cross multiply
    3,528.51x = 5,291.69 × 2,439.87
  4. Step 4: Simplify right side
    3,528.51x = 12,911,023.48
  5. Step 5: Solve for x
    x = 12,911,023.48/3,528.51
  6. Step 6: Final answer
    x = 3,659.06

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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.