Home / 3,356.87-5,030.62-2,860.70

Finding the Fourth Proportional to 3,356.87, 5,030.62 and 2,860.70

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Solution

The fourth proportional to 3,356.87, 5,030.62 and 2,860.70 is: 4,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.87 : 5,030.62 = 2,860.70 : x
  2. Step 2: Convert to fraction form
    3,356.87/5,030.62 = 2,860.70/x
  3. Step 3: Cross multiply
    3,356.87x = 5,030.62 × 2,860.70
  4. Step 4: Simplify right side
    3,356.87x = 14,391,062.33
  5. Step 5: Solve for x
    x = 14,391,062.33/3,356.87
  6. Step 6: Final answer
    x = 4,287.05

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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.