Home / 1,818.24-2,723.40-1,426.20

Finding the Fourth Proportional to 1,818.24, 2,723.40 and 1,426.20

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Solution

The fourth proportional to 1,818.24, 2,723.40 and 1,426.20 is: 2,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.24 : 2,723.40 = 1,426.20 : x
  2. Step 2: Convert to fraction form
    1,818.24/2,723.40 = 1,426.20/x
  3. Step 3: Cross multiply
    1,818.24x = 2,723.40 × 1,426.20
  4. Step 4: Simplify right side
    1,818.24x = 3,884,113.08
  5. Step 5: Solve for x
    x = 3,884,113.08/1,818.24
  6. Step 6: Final answer
    x = 2,136.19

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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.