Home / 2,325.53-3,209.41-1,331.12

Finding the Fourth Proportional to 2,325.53, 3,209.41 and 1,331.12

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Solution

The fourth proportional to 2,325.53, 3,209.41 and 1,331.12 is: 1,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.53 : 3,209.41 = 1,331.12 : x
  2. Step 2: Convert to fraction form
    2,325.53/3,209.41 = 1,331.12/x
  3. Step 3: Cross multiply
    2,325.53x = 3,209.41 × 1,331.12
  4. Step 4: Simplify right side
    2,325.53x = 4,272,109.84
  5. Step 5: Solve for x
    x = 4,272,109.84/2,325.53
  6. Step 6: Final answer
    x = 1,837.05

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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.