Home / 2,270.36-3,133.14-1,275.74

Finding the Fourth Proportional to 2,270.36, 3,133.14 and 1,275.74

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Solution

The fourth proportional to 2,270.36, 3,133.14 and 1,275.74 is: 1,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.36 : 3,133.14 = 1,275.74 : x
  2. Step 2: Convert to fraction form
    2,270.36/3,133.14 = 1,275.74/x
  3. Step 3: Cross multiply
    2,270.36x = 3,133.14 × 1,275.74
  4. Step 4: Simplify right side
    2,270.36x = 3,997,072.02
  5. Step 5: Solve for x
    x = 3,997,072.02/2,270.36
  6. Step 6: Final answer
    x = 1,760.55

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