Home / 2,270.54-3,133.37-1,275.84

Finding the Fourth Proportional to 2,270.54, 3,133.37 and 1,275.84

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Solution

The fourth proportional to 2,270.54, 3,133.37 and 1,275.84 is: 1,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.54 : 3,133.37 = 1,275.84 : x
  2. Step 2: Convert to fraction form
    2,270.54/3,133.37 = 1,275.84/x
  3. Step 3: Cross multiply
    2,270.54x = 3,133.37 × 1,275.84
  4. Step 4: Simplify right side
    2,270.54x = 3,997,681.97
  5. Step 5: Solve for x
    x = 3,997,681.97/2,270.54
  6. Step 6: Final answer
    x = 1,760.67

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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.