Home / 2,326.19-3,210.12-1,331.43

Finding the Fourth Proportional to 2,326.19, 3,210.12 and 1,331.43

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Solution

The fourth proportional to 2,326.19, 3,210.12 and 1,331.43 is: 1,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.19 : 3,210.12 = 1,331.43 : x
  2. Step 2: Convert to fraction form
    2,326.19/3,210.12 = 1,331.43/x
  3. Step 3: Cross multiply
    2,326.19x = 3,210.12 × 1,331.43
  4. Step 4: Simplify right side
    2,326.19x = 4,274,050.07
  5. Step 5: Solve for x
    x = 4,274,050.07/2,326.19
  6. Step 6: Final answer
    x = 1,837.36

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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.