Home / 3,528.35-4,871.90-2,864.15

Finding the Fourth Proportional to 3,528.35, 4,871.90 and 2,864.15

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Solution

The fourth proportional to 3,528.35, 4,871.90 and 2,864.15 is: 3,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.35 : 4,871.90 = 2,864.15 : x
  2. Step 2: Convert to fraction form
    3,528.35/4,871.90 = 2,864.15/x
  3. Step 3: Cross multiply
    3,528.35x = 4,871.90 × 2,864.15
  4. Step 4: Simplify right side
    3,528.35x = 13,953,835.19
  5. Step 5: Solve for x
    x = 13,953,835.19/3,528.35
  6. Step 6: Final answer
    x = 3,954.78

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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.