Home / 2,763.28-4,148.96-1,727.68

Finding the Fourth Proportional to 2,763.28, 4,148.96 and 1,727.68

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Solution

The fourth proportional to 2,763.28, 4,148.96 and 1,727.68 is: 2,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.28 : 4,148.96 = 1,727.68 : x
  2. Step 2: Convert to fraction form
    2,763.28/4,148.96 = 1,727.68/x
  3. Step 3: Cross multiply
    2,763.28x = 4,148.96 × 1,727.68
  4. Step 4: Simplify right side
    2,763.28x = 7,168,075.21
  5. Step 5: Solve for x
    x = 7,168,075.21/2,763.28
  6. Step 6: Final answer
    x = 2,594.05

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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.