Home / 2,487.95-3,733.15-1,906.65

Finding the Fourth Proportional to 2,487.95, 3,733.15 and 1,906.65

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Solution

The fourth proportional to 2,487.95, 3,733.15 and 1,906.65 is: 2,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.95 : 3,733.15 = 1,906.65 : x
  2. Step 2: Convert to fraction form
    2,487.95/3,733.15 = 1,906.65/x
  3. Step 3: Cross multiply
    2,487.95x = 3,733.15 × 1,906.65
  4. Step 4: Simplify right side
    2,487.95x = 7,117,810.45
  5. Step 5: Solve for x
    x = 7,117,810.45/2,487.95
  6. Step 6: Final answer
    x = 2,860.91

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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.