Home / 2,776.24-4,161.80-1,043.68

Finding the Fourth Proportional to 2,776.24, 4,161.80 and 1,043.68

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Solution

The fourth proportional to 2,776.24, 4,161.80 and 1,043.68 is: 1,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.24 : 4,161.80 = 1,043.68 : x
  2. Step 2: Convert to fraction form
    2,776.24/4,161.80 = 1,043.68/x
  3. Step 3: Cross multiply
    2,776.24x = 4,161.80 × 1,043.68
  4. Step 4: Simplify right side
    2,776.24x = 4,343,587.42
  5. Step 5: Solve for x
    x = 4,343,587.42/2,776.24
  6. Step 6: Final answer
    x = 1,564.56

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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.