Home / 3,435.08-5,152.62-1,891.40

Finding the Fourth Proportional to 3,435.08, 5,152.62 and 1,891.40

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Solution

The fourth proportional to 3,435.08, 5,152.62 and 1,891.40 is: 2,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.08 : 5,152.62 = 1,891.40 : x
  2. Step 2: Convert to fraction form
    3,435.08/5,152.62 = 1,891.40/x
  3. Step 3: Cross multiply
    3,435.08x = 5,152.62 × 1,891.40
  4. Step 4: Simplify right side
    3,435.08x = 9,745,665.47
  5. Step 5: Solve for x
    x = 9,745,665.47/3,435.08
  6. Step 6: Final answer
    x = 2,837.10

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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.