Home / 1,747.84-2,619.20-1,130.56

Finding the Fourth Proportional to 1,747.84, 2,619.20 and 1,130.56

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Solution

The fourth proportional to 1,747.84, 2,619.20 and 1,130.56 is: 1,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.84 : 2,619.20 = 1,130.56 : x
  2. Step 2: Convert to fraction form
    1,747.84/2,619.20 = 1,130.56/x
  3. Step 3: Cross multiply
    1,747.84x = 2,619.20 × 1,130.56
  4. Step 4: Simplify right side
    1,747.84x = 2,961,162.75
  5. Step 5: Solve for x
    x = 2,961,162.75/1,747.84
  6. Step 6: Final answer
    x = 1,694.18

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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.