Home / 2,774.24-4,158.80-1,041.68

Finding the Fourth Proportional to 2,774.24, 4,158.80 and 1,041.68

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Solution

The fourth proportional to 2,774.24, 4,158.80 and 1,041.68 is: 1,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.24 : 4,158.80 = 1,041.68 : x
  2. Step 2: Convert to fraction form
    2,774.24/4,158.80 = 1,041.68/x
  3. Step 3: Cross multiply
    2,774.24x = 4,158.80 × 1,041.68
  4. Step 4: Simplify right side
    2,774.24x = 4,332,138.78
  5. Step 5: Solve for x
    x = 4,332,138.78/2,774.24
  6. Step 6: Final answer
    x = 1,561.56

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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.