Home / 2,869.20-4,302.21-894.27

Finding the Fourth Proportional to 2,869.20, 4,302.21 and 894.27

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Solution

The fourth proportional to 2,869.20, 4,302.21 and 894.27 is: 1,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.20 : 4,302.21 = 894.27 : x
  2. Step 2: Convert to fraction form
    2,869.20/4,302.21 = 894.27/x
  3. Step 3: Cross multiply
    2,869.20x = 4,302.21 × 894.27
  4. Step 4: Simplify right side
    2,869.20x = 3,847,337.34
  5. Step 5: Solve for x
    x = 3,847,337.34/2,869.20
  6. Step 6: Final answer
    x = 1,340.91

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1.5x scale

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.