Home / 2,577.19-3,870.95-1,539.22

Finding the Fourth Proportional to 2,577.19, 3,870.95 and 1,539.22

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Solution

The fourth proportional to 2,577.19, 3,870.95 and 1,539.22 is: 2,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.19 : 3,870.95 = 1,539.22 : x
  2. Step 2: Convert to fraction form
    2,577.19/3,870.95 = 1,539.22/x
  3. Step 3: Cross multiply
    2,577.19x = 3,870.95 × 1,539.22
  4. Step 4: Simplify right side
    2,577.19x = 5,958,243.66
  5. Step 5: Solve for x
    x = 5,958,243.66/2,577.19
  6. Step 6: Final answer
    x = 2,311.91

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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.