Home / 3,977.30-5,485.62-2,464.02

Finding the Fourth Proportional to 3,977.30, 5,485.62 and 2,464.02

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Solution

The fourth proportional to 3,977.30, 5,485.62 and 2,464.02 is: 3,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.30 : 5,485.62 = 2,464.02 : x
  2. Step 2: Convert to fraction form
    3,977.30/5,485.62 = 2,464.02/x
  3. Step 3: Cross multiply
    3,977.30x = 5,485.62 × 2,464.02
  4. Step 4: Simplify right side
    3,977.30x = 13,516,686.63
  5. Step 5: Solve for x
    x = 13,516,686.63/3,977.30
  6. Step 6: Final answer
    x = 3,398.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.