Home / 2,722.08-3,756.66-1,543.44

Finding the Fourth Proportional to 2,722.08, 3,756.66 and 1,543.44

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Solution

The fourth proportional to 2,722.08, 3,756.66 and 1,543.44 is: 2,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.08 : 3,756.66 = 1,543.44 : x
  2. Step 2: Convert to fraction form
    2,722.08/3,756.66 = 1,543.44/x
  3. Step 3: Cross multiply
    2,722.08x = 3,756.66 × 1,543.44
  4. Step 4: Simplify right side
    2,722.08x = 5,798,179.31
  5. Step 5: Solve for x
    x = 5,798,179.31/2,722.08
  6. Step 6: Final answer
    x = 2,130.05

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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.