Home / 3,919.08-5,880.93-1,455.63

Finding the Fourth Proportional to 3,919.08, 5,880.93 and 1,455.63

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Solution

The fourth proportional to 3,919.08, 5,880.93 and 1,455.63 is: 2,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.08 : 5,880.93 = 1,455.63 : x
  2. Step 2: Convert to fraction form
    3,919.08/5,880.93 = 1,455.63/x
  3. Step 3: Cross multiply
    3,919.08x = 5,880.93 × 1,455.63
  4. Step 4: Simplify right side
    3,919.08x = 8,560,458.14
  5. Step 5: Solve for x
    x = 8,560,458.14/3,919.08
  6. Step 6: Final answer
    x = 2,184.30

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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.