Home / 2,313.84-3,469.20-1,080.56

Finding the Fourth Proportional to 2,313.84, 3,469.20 and 1,080.56

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Solution

The fourth proportional to 2,313.84, 3,469.20 and 1,080.56 is: 1,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.84 : 3,469.20 = 1,080.56 : x
  2. Step 2: Convert to fraction form
    2,313.84/3,469.20 = 1,080.56/x
  3. Step 3: Cross multiply
    2,313.84x = 3,469.20 × 1,080.56
  4. Step 4: Simplify right side
    2,313.84x = 3,748,678.75
  5. Step 5: Solve for x
    x = 3,748,678.75/2,313.84
  6. Step 6: Final answer
    x = 1,620.11

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1.5x scale

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.