Home / 2,577.24-3,867.12-1,603.08

Finding the Fourth Proportional to 2,577.24, 3,867.12 and 1,603.08

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Solution

The fourth proportional to 2,577.24, 3,867.12 and 1,603.08 is: 2,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.24 : 3,867.12 = 1,603.08 : x
  2. Step 2: Convert to fraction form
    2,577.24/3,867.12 = 1,603.08/x
  3. Step 3: Cross multiply
    2,577.24x = 3,867.12 × 1,603.08
  4. Step 4: Simplify right side
    2,577.24x = 6,199,302.73
  5. Step 5: Solve for x
    x = 6,199,302.73/2,577.24
  6. Step 6: Final answer
    x = 2,405.40

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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.