Home / 2,271.76-3,134.97-1,277.02

Finding the Fourth Proportional to 2,271.76, 3,134.97 and 1,277.02

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Solution

The fourth proportional to 2,271.76, 3,134.97 and 1,277.02 is: 1,762.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.76 : 3,134.97 = 1,277.02 : x
  2. Step 2: Convert to fraction form
    2,271.76/3,134.97 = 1,277.02/x
  3. Step 3: Cross multiply
    2,271.76x = 3,134.97 × 1,277.02
  4. Step 4: Simplify right side
    2,271.76x = 4,003,400.29
  5. Step 5: Solve for x
    x = 4,003,400.29/2,271.76
  6. Step 6: Final answer
    x = 1,762.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.