Home / 2,331.18-3,498.09-1,812.23

Finding the Fourth Proportional to 2,331.18, 3,498.09 and 1,812.23

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Solution

The fourth proportional to 2,331.18, 3,498.09 and 1,812.23 is: 2,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.18 : 3,498.09 = 1,812.23 : x
  2. Step 2: Convert to fraction form
    2,331.18/3,498.09 = 1,812.23/x
  3. Step 3: Cross multiply
    2,331.18x = 3,498.09 × 1,812.23
  4. Step 4: Simplify right side
    2,331.18x = 6,339,326.15
  5. Step 5: Solve for x
    x = 6,339,326.15/2,331.18
  6. Step 6: Final answer
    x = 2,719.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.