Home / 2,320.12-3,202.22-1,325.30

Finding the Fourth Proportional to 2,320.12, 3,202.22 and 1,325.30

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Solution

The fourth proportional to 2,320.12, 3,202.22 and 1,325.30 is: 1,829.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.12 : 3,202.22 = 1,325.30 : x
  2. Step 2: Convert to fraction form
    2,320.12/3,202.22 = 1,325.30/x
  3. Step 3: Cross multiply
    2,320.12x = 3,202.22 × 1,325.30
  4. Step 4: Simplify right side
    2,320.12x = 4,243,895.54
  5. Step 5: Solve for x
    x = 4,243,895.54/2,320.12
  6. Step 6: Final answer
    x = 1,829.17

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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.