Home / 2,388.22-3,295.90-1,326.11

Finding the Fourth Proportional to 2,388.22, 3,295.90 and 1,326.11

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Solution

The fourth proportional to 2,388.22, 3,295.90 and 1,326.11 is: 1,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.22 : 3,295.90 = 1,326.11 : x
  2. Step 2: Convert to fraction form
    2,388.22/3,295.90 = 1,326.11/x
  3. Step 3: Cross multiply
    2,388.22x = 3,295.90 × 1,326.11
  4. Step 4: Simplify right side
    2,388.22x = 4,370,711.13
  5. Step 5: Solve for x
    x = 4,370,711.13/2,388.22
  6. Step 6: Final answer
    x = 1,830.11

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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.