Home / 2,241.40-3,362.64-1,145.80

Finding the Fourth Proportional to 2,241.40, 3,362.64 and 1,145.80

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Solution

The fourth proportional to 2,241.40, 3,362.64 and 1,145.80 is: 1,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.40 : 3,362.64 = 1,145.80 : x
  2. Step 2: Convert to fraction form
    2,241.40/3,362.64 = 1,145.80/x
  3. Step 3: Cross multiply
    2,241.40x = 3,362.64 × 1,145.80
  4. Step 4: Simplify right side
    2,241.40x = 3,852,912.91
  5. Step 5: Solve for x
    x = 3,852,912.91/2,241.40
  6. Step 6: Final answer
    x = 1,718.98

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1.5x scale

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.