Home / 2,320.71-3,203.13-1,326.57

Finding the Fourth Proportional to 2,320.71, 3,203.13 and 1,326.57

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Solution

The fourth proportional to 2,320.71, 3,203.13 and 1,326.57 is: 1,830.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.71 : 3,203.13 = 1,326.57 : x
  2. Step 2: Convert to fraction form
    2,320.71/3,203.13 = 1,326.57/x
  3. Step 3: Cross multiply
    2,320.71x = 3,203.13 × 1,326.57
  4. Step 4: Simplify right side
    2,320.71x = 4,249,176.16
  5. Step 5: Solve for x
    x = 4,249,176.16/2,320.71
  6. Step 6: Final answer
    x = 1,830.98

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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.