Home / 2,753.64-4,124.88-1,362.78

Finding the Fourth Proportional to 2,753.64, 4,124.88 and 1,362.78

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Solution

The fourth proportional to 2,753.64, 4,124.88 and 1,362.78 is: 2,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.64 : 4,124.88 = 1,362.78 : x
  2. Step 2: Convert to fraction form
    2,753.64/4,124.88 = 1,362.78/x
  3. Step 3: Cross multiply
    2,753.64x = 4,124.88 × 1,362.78
  4. Step 4: Simplify right side
    2,753.64x = 5,621,303.97
  5. Step 5: Solve for x
    x = 5,621,303.97/2,753.64
  6. Step 6: Final answer
    x = 2,041.41

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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.