Home / 2,531.40-3,493.22-1,868.01

Finding the Fourth Proportional to 2,531.40, 3,493.22 and 1,868.01

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Solution

The fourth proportional to 2,531.40, 3,493.22 and 1,868.01 is: 2,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.40 : 3,493.22 = 1,868.01 : x
  2. Step 2: Convert to fraction form
    2,531.40/3,493.22 = 1,868.01/x
  3. Step 3: Cross multiply
    2,531.40x = 3,493.22 × 1,868.01
  4. Step 4: Simplify right side
    2,531.40x = 6,525,383.30
  5. Step 5: Solve for x
    x = 6,525,383.30/2,531.40
  6. Step 6: Final answer
    x = 2,577.77

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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.