Home / 2,320.91-3,203.06-1,326.51

Finding the Fourth Proportional to 2,320.91, 3,203.06 and 1,326.51

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Solution

The fourth proportional to 2,320.91, 3,203.06 and 1,326.51 is: 1,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.91 : 3,203.06 = 1,326.51 : x
  2. Step 2: Convert to fraction form
    2,320.91/3,203.06 = 1,326.51/x
  3. Step 3: Cross multiply
    2,320.91x = 3,203.06 × 1,326.51
  4. Step 4: Simplify right side
    2,320.91x = 4,248,891.12
  5. Step 5: Solve for x
    x = 4,248,891.12/2,320.91
  6. Step 6: Final answer
    x = 1,830.70

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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.