Home / 2,325.11-3,208.14-1,330.70

Finding the Fourth Proportional to 2,325.11, 3,208.14 and 1,330.70

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Solution

The fourth proportional to 2,325.11, 3,208.14 and 1,330.70 is: 1,836.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.11 : 3,208.14 = 1,330.70 : x
  2. Step 2: Convert to fraction form
    2,325.11/3,208.14 = 1,330.70/x
  3. Step 3: Cross multiply
    2,325.11x = 3,208.14 × 1,330.70
  4. Step 4: Simplify right side
    2,325.11x = 4,269,055.86
  5. Step 5: Solve for x
    x = 4,269,055.86/2,325.11
  6. Step 6: Final answer
    x = 1,836.07

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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.