Home / 2,270.57-3,133.29-1,326.45

Finding the Fourth Proportional to 2,270.57, 3,133.29 and 1,326.45

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Solution

The fourth proportional to 2,270.57, 3,133.29 and 1,326.45 is: 1,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.57 : 3,133.29 = 1,326.45 : x
  2. Step 2: Convert to fraction form
    2,270.57/3,133.29 = 1,326.45/x
  3. Step 3: Cross multiply
    2,270.57x = 3,133.29 × 1,326.45
  4. Step 4: Simplify right side
    2,270.57x = 4,156,149.20
  5. Step 5: Solve for x
    x = 4,156,149.20/2,270.57
  6. Step 6: Final answer
    x = 1,830.44

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1.5x scale

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.