Home / 1,330.70-2,006.01-1,241.49

Finding the Fourth Proportional to 1,330.70, 2,006.01 and 1,241.49

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Solution

The fourth proportional to 1,330.70, 2,006.01 and 1,241.49 is: 1,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330.70 : 2,006.01 = 1,241.49 : x
  2. Step 2: Convert to fraction form
    1,330.70/2,006.01 = 1,241.49/x
  3. Step 3: Cross multiply
    1,330.70x = 2,006.01 × 1,241.49
  4. Step 4: Simplify right side
    1,330.70x = 2,490,441.35
  5. Step 5: Solve for x
    x = 2,490,441.35/1,330.70
  6. Step 6: Final answer
    x = 1,871.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.