Home / 2,577.20-3,860.39-1,648.02

Finding the Fourth Proportional to 2,577.20, 3,860.39 and 1,648.02

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Solution

The fourth proportional to 2,577.20, 3,860.39 and 1,648.02 is: 2,468.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.20 : 3,860.39 = 1,648.02 : x
  2. Step 2: Convert to fraction form
    2,577.20/3,860.39 = 1,648.02/x
  3. Step 3: Cross multiply
    2,577.20x = 3,860.39 × 1,648.02
  4. Step 4: Simplify right side
    2,577.20x = 6,362,018.52
  5. Step 5: Solve for x
    x = 6,362,018.52/2,577.20
  6. Step 6: Final answer
    x = 2,468.58

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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.