Home / 3,467.95-5,203.87-1,388.10

Finding the Fourth Proportional to 3,467.95, 5,203.87 and 1,388.10

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Solution

The fourth proportional to 3,467.95, 5,203.87 and 1,388.10 is: 2,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.95 : 5,203.87 = 1,388.10 : x
  2. Step 2: Convert to fraction form
    3,467.95/5,203.87 = 1,388.10/x
  3. Step 3: Cross multiply
    3,467.95x = 5,203.87 × 1,388.10
  4. Step 4: Simplify right side
    3,467.95x = 7,223,507.99
  5. Step 5: Solve for x
    x = 7,223,507.99/3,467.95
  6. Step 6: Final answer
    x = 2,082.93

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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.