Home / 2,270.51-3,133.20-1,326.39

Finding the Fourth Proportional to 2,270.51, 3,133.20 and 1,326.39

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Solution

The fourth proportional to 2,270.51, 3,133.20 and 1,326.39 is: 1,830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.51 : 3,133.20 = 1,326.39 : x
  2. Step 2: Convert to fraction form
    2,270.51/3,133.20 = 1,326.39/x
  3. Step 3: Cross multiply
    2,270.51x = 3,133.20 × 1,326.39
  4. Step 4: Simplify right side
    2,270.51x = 4,155,837.01
  5. Step 5: Solve for x
    x = 4,155,837.01/2,270.51
  6. Step 6: Final answer
    x = 1,830.36

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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.