Home / 1,817.28-2,723.79-1,423.62

Finding the Fourth Proportional to 1,817.28, 2,723.79 and 1,423.62

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Solution

The fourth proportional to 1,817.28, 2,723.79 and 1,423.62 is: 2,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.28 : 2,723.79 = 1,423.62 : x
  2. Step 2: Convert to fraction form
    1,817.28/2,723.79 = 1,423.62/x
  3. Step 3: Cross multiply
    1,817.28x = 2,723.79 × 1,423.62
  4. Step 4: Simplify right side
    1,817.28x = 3,877,641.92
  5. Step 5: Solve for x
    x = 3,877,641.92/1,817.28
  6. Step 6: Final answer
    x = 2,133.76

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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.