Home / 3,087.87-4,627.15-1,853.93

Finding the Fourth Proportional to 3,087.87, 4,627.15 and 1,853.93

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Solution

The fourth proportional to 3,087.87, 4,627.15 and 1,853.93 is: 2,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.87 : 4,627.15 = 1,853.93 : x
  2. Step 2: Convert to fraction form
    3,087.87/4,627.15 = 1,853.93/x
  3. Step 3: Cross multiply
    3,087.87x = 4,627.15 × 1,853.93
  4. Step 4: Simplify right side
    3,087.87x = 8,578,412.20
  5. Step 5: Solve for x
    x = 8,578,412.20/3,087.87
  6. Step 6: Final answer
    x = 2,778.10

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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.