Home / 2,313.78-3,465.81-1,082.18

Finding the Fourth Proportional to 2,313.78, 3,465.81 and 1,082.18

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Solution

The fourth proportional to 2,313.78, 3,465.81 and 1,082.18 is: 1,620.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.78 : 3,465.81 = 1,082.18 : x
  2. Step 2: Convert to fraction form
    2,313.78/3,465.81 = 1,082.18/x
  3. Step 3: Cross multiply
    2,313.78x = 3,465.81 × 1,082.18
  4. Step 4: Simplify right side
    2,313.78x = 3,750,612.94
  5. Step 5: Solve for x
    x = 3,750,612.94/2,313.78
  6. Step 6: Final answer
    x = 1,620.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.