Home / 2,766.95-3,818.05-1,571.51

Finding the Fourth Proportional to 2,766.95, 3,818.05 and 1,571.51

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Solution

The fourth proportional to 2,766.95, 3,818.05 and 1,571.51 is: 2,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.95 : 3,818.05 = 1,571.51 : x
  2. Step 2: Convert to fraction form
    2,766.95/3,818.05 = 1,571.51/x
  3. Step 3: Cross multiply
    2,766.95x = 3,818.05 × 1,571.51
  4. Step 4: Simplify right side
    2,766.95x = 6,000,100.95
  5. Step 5: Solve for x
    x = 6,000,100.95/2,766.95
  6. Step 6: Final answer
    x = 2,168.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.