Home / 2,173.40-2,998.98-1,241.84

Finding the Fourth Proportional to 2,173.40, 2,998.98 and 1,241.84

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Solution

The fourth proportional to 2,173.40, 2,998.98 and 1,241.84 is: 1,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.40 : 2,998.98 = 1,241.84 : x
  2. Step 2: Convert to fraction form
    2,173.40/2,998.98 = 1,241.84/x
  3. Step 3: Cross multiply
    2,173.40x = 2,998.98 × 1,241.84
  4. Step 4: Simplify right side
    2,173.40x = 3,724,253.32
  5. Step 5: Solve for x
    x = 3,724,253.32/2,173.40
  6. Step 6: Final answer
    x = 1,713.56

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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.