Home / 1,868.20-2,577.08-1,168.36

Finding the Fourth Proportional to 1,868.20, 2,577.08 and 1,168.36

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Solution

The fourth proportional to 1,868.20, 2,577.08 and 1,168.36 is: 1,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.20 : 2,577.08 = 1,168.36 : x
  2. Step 2: Convert to fraction form
    1,868.20/2,577.08 = 1,168.36/x
  3. Step 3: Cross multiply
    1,868.20x = 2,577.08 × 1,168.36
  4. Step 4: Simplify right side
    1,868.20x = 3,010,957.19
  5. Step 5: Solve for x
    x = 3,010,957.19/1,868.20
  6. Step 6: Final answer
    x = 1,611.69

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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.