Home / 2,320.36-3,202.37-1,325.78

Finding the Fourth Proportional to 2,320.36, 3,202.37 and 1,325.78

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Solution

The fourth proportional to 2,320.36, 3,202.37 and 1,325.78 is: 1,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.36 : 3,202.37 = 1,325.78 : x
  2. Step 2: Convert to fraction form
    2,320.36/3,202.37 = 1,325.78/x
  3. Step 3: Cross multiply
    2,320.36x = 3,202.37 × 1,325.78
  4. Step 4: Simplify right side
    2,320.36x = 4,245,638.10
  5. Step 5: Solve for x
    x = 4,245,638.10/2,320.36
  6. Step 6: Final answer
    x = 1,829.73

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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.