Home / 2,986.24-4,479.45-1,426.41

Finding the Fourth Proportional to 2,986.24, 4,479.45 and 1,426.41

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Solution

The fourth proportional to 2,986.24, 4,479.45 and 1,426.41 is: 2,139.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.24 : 4,479.45 = 1,426.41 : x
  2. Step 2: Convert to fraction form
    2,986.24/4,479.45 = 1,426.41/x
  3. Step 3: Cross multiply
    2,986.24x = 4,479.45 × 1,426.41
  4. Step 4: Simplify right side
    2,986.24x = 6,389,532.27
  5. Step 5: Solve for x
    x = 6,389,532.27/2,986.24
  6. Step 6: Final answer
    x = 2,139.66

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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.