Home / 2,326.55-3,210.40-1,331.87

Finding the Fourth Proportional to 2,326.55, 3,210.40 and 1,331.87

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Solution

The fourth proportional to 2,326.55, 3,210.40 and 1,331.87 is: 1,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.55 : 3,210.40 = 1,331.87 : x
  2. Step 2: Convert to fraction form
    2,326.55/3,210.40 = 1,331.87/x
  3. Step 3: Cross multiply
    2,326.55x = 3,210.40 × 1,331.87
  4. Step 4: Simplify right side
    2,326.55x = 4,275,835.45
  5. Step 5: Solve for x
    x = 4,275,835.45/2,326.55
  6. Step 6: Final answer
    x = 1,837.84

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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.