Home / 2,869.28-4,302.24-2,052.80

Finding the Fourth Proportional to 2,869.28, 4,302.24 and 2,052.80

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Solution

The fourth proportional to 2,869.28, 4,302.24 and 2,052.80 is: 3,078.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.28 : 4,302.24 = 2,052.80 : x
  2. Step 2: Convert to fraction form
    2,869.28/4,302.24 = 2,052.80/x
  3. Step 3: Cross multiply
    2,869.28x = 4,302.24 × 2,052.80
  4. Step 4: Simplify right side
    2,869.28x = 8,831,638.27
  5. Step 5: Solve for x
    x = 8,831,638.27/2,869.28
  6. Step 6: Final answer
    x = 3,078.00

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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.