Home / 2,326.12-3,210.37-2,129.29

Finding the Fourth Proportional to 2,326.12, 3,210.37 and 2,129.29

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Solution

The fourth proportional to 2,326.12, 3,210.37 and 2,129.29 is: 2,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.12 : 3,210.37 = 2,129.29 : x
  2. Step 2: Convert to fraction form
    2,326.12/3,210.37 = 2,129.29/x
  3. Step 3: Cross multiply
    2,326.12x = 3,210.37 × 2,129.29
  4. Step 4: Simplify right side
    2,326.12x = 6,835,795.39
  5. Step 5: Solve for x
    x = 6,835,795.39/2,326.12
  6. Step 6: Final answer
    x = 2,938.71

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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.