Home / 3,435.12-5,150.52-1,897.20

Finding the Fourth Proportional to 3,435.12, 5,150.52 and 1,897.20

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Solution

The fourth proportional to 3,435.12, 5,150.52 and 1,897.20 is: 2,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.12 : 5,150.52 = 1,897.20 : x
  2. Step 2: Convert to fraction form
    3,435.12/5,150.52 = 1,897.20/x
  3. Step 3: Cross multiply
    3,435.12x = 5,150.52 × 1,897.20
  4. Step 4: Simplify right side
    3,435.12x = 9,771,566.54
  5. Step 5: Solve for x
    x = 9,771,566.54/3,435.12
  6. Step 6: Final answer
    x = 2,844.61

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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.