Home / 3,818.57-5,726.05-1,479.67

Finding the Fourth Proportional to 3,818.57, 5,726.05 and 1,479.67

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Solution

The fourth proportional to 3,818.57, 5,726.05 and 1,479.67 is: 2,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.57 : 5,726.05 = 1,479.67 : x
  2. Step 2: Convert to fraction form
    3,818.57/5,726.05 = 1,479.67/x
  3. Step 3: Cross multiply
    3,818.57x = 5,726.05 × 1,479.67
  4. Step 4: Simplify right side
    3,818.57x = 8,472,656.79
  5. Step 5: Solve for x
    x = 8,472,656.79/3,818.57
  6. Step 6: Final answer
    x = 2,218.80

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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.