Home / 3,771.65-5,655.40-2,018.71

Finding the Fourth Proportional to 3,771.65, 5,655.40 and 2,018.71

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Solution

The fourth proportional to 3,771.65, 5,655.40 and 2,018.71 is: 3,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.65 : 5,655.40 = 2,018.71 : x
  2. Step 2: Convert to fraction form
    3,771.65/5,655.40 = 2,018.71/x
  3. Step 3: Cross multiply
    3,771.65x = 5,655.40 × 2,018.71
  4. Step 4: Simplify right side
    3,771.65x = 11,416,612.53
  5. Step 5: Solve for x
    x = 11,416,612.53/3,771.65
  6. Step 6: Final answer
    x = 3,026.95

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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.