Home / 2,756.48-4,137.28-2,693.12

Finding the Fourth Proportional to 2,756.48, 4,137.28 and 2,693.12

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Solution

The fourth proportional to 2,756.48, 4,137.28 and 2,693.12 is: 4,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.48 : 4,137.28 = 2,693.12 : x
  2. Step 2: Convert to fraction form
    2,756.48/4,137.28 = 2,693.12/x
  3. Step 3: Cross multiply
    2,756.48x = 4,137.28 × 2,693.12
  4. Step 4: Simplify right side
    2,756.48x = 11,142,191.51
  5. Step 5: Solve for x
    x = 11,142,191.51/2,756.48
  6. Step 6: Final answer
    x = 4,042.18

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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.