Home / 2,493.51-3,442.88-1,998.87

Finding the Fourth Proportional to 2,493.51, 3,442.88 and 1,998.87

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Solution

The fourth proportional to 2,493.51, 3,442.88 and 1,998.87 is: 2,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.51 : 3,442.88 = 1,998.87 : x
  2. Step 2: Convert to fraction form
    2,493.51/3,442.88 = 1,998.87/x
  3. Step 3: Cross multiply
    2,493.51x = 3,442.88 × 1,998.87
  4. Step 4: Simplify right side
    2,493.51x = 6,881,859.55
  5. Step 5: Solve for x
    x = 6,881,859.55/2,493.51
  6. Step 6: Final answer
    x = 2,759.91

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1.5x scale

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.