Home / 2,745.28-3,788.70-1,566.70

Finding the Fourth Proportional to 2,745.28, 3,788.70 and 1,566.70

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Solution

The fourth proportional to 2,745.28, 3,788.70 and 1,566.70 is: 2,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.28 : 3,788.70 = 1,566.70 : x
  2. Step 2: Convert to fraction form
    2,745.28/3,788.70 = 1,566.70/x
  3. Step 3: Cross multiply
    2,745.28x = 3,788.70 × 1,566.70
  4. Step 4: Simplify right side
    2,745.28x = 5,935,756.29
  5. Step 5: Solve for x
    x = 5,935,756.29/2,745.28
  6. Step 6: Final answer
    x = 2,162.17

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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.