Home / 2,730.16-3,766.80-1,551.22

Finding the Fourth Proportional to 2,730.16, 3,766.80 and 1,551.22

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Solution

The fourth proportional to 2,730.16, 3,766.80 and 1,551.22 is: 2,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.16 : 3,766.80 = 1,551.22 : x
  2. Step 2: Convert to fraction form
    2,730.16/3,766.80 = 1,551.22/x
  3. Step 3: Cross multiply
    2,730.16x = 3,766.80 × 1,551.22
  4. Step 4: Simplify right side
    2,730.16x = 5,843,135.50
  5. Step 5: Solve for x
    x = 5,843,135.50/2,730.16
  6. Step 6: Final answer
    x = 2,140.22

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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.