Home / 2,041.47-3,057.77-1,261.67

Finding the Fourth Proportional to 2,041.47, 3,057.77 and 1,261.67

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Solution

The fourth proportional to 2,041.47, 3,057.77 and 1,261.67 is: 1,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.47 : 3,057.77 = 1,261.67 : x
  2. Step 2: Convert to fraction form
    2,041.47/3,057.77 = 1,261.67/x
  3. Step 3: Cross multiply
    2,041.47x = 3,057.77 × 1,261.67
  4. Step 4: Simplify right side
    2,041.47x = 3,857,884.54
  5. Step 5: Solve for x
    x = 3,857,884.54/2,041.47
  6. Step 6: Final answer
    x = 1,889.76

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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.