Home / 1,566.78-2,350.18-412.52

Finding the Fourth Proportional to 1,566.78, 2,350.18 and 412.52

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Solution

The fourth proportional to 1,566.78, 2,350.18 and 412.52 is: 618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.78 : 2,350.18 = 412.52 : x
  2. Step 2: Convert to fraction form
    1,566.78/2,350.18 = 412.52/x
  3. Step 3: Cross multiply
    1,566.78x = 2,350.18 × 412.52
  4. Step 4: Simplify right side
    1,566.78x = 969,496.25
  5. Step 5: Solve for x
    x = 969,496.25/1,566.78
  6. Step 6: Final answer
    x = 618.78

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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.