Home / 2,894.20-4,341.30-1,727.80

Finding the Fourth Proportional to 2,894.20, 4,341.30 and 1,727.80

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Solution

The fourth proportional to 2,894.20, 4,341.30 and 1,727.80 is: 2,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.20 : 4,341.30 = 1,727.80 : x
  2. Step 2: Convert to fraction form
    2,894.20/4,341.30 = 1,727.80/x
  3. Step 3: Cross multiply
    2,894.20x = 4,341.30 × 1,727.80
  4. Step 4: Simplify right side
    2,894.20x = 7,500,898.14
  5. Step 5: Solve for x
    x = 7,500,898.14/2,894.20
  6. Step 6: Final answer
    x = 2,591.70

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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.