Home / 1,938.11-2,674.60-1,141.46

Finding the Fourth Proportional to 1,938.11, 2,674.60 and 1,141.46

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Solution

The fourth proportional to 1,938.11, 2,674.60 and 1,141.46 is: 1,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.11 : 2,674.60 = 1,141.46 : x
  2. Step 2: Convert to fraction form
    1,938.11/2,674.60 = 1,141.46/x
  3. Step 3: Cross multiply
    1,938.11x = 2,674.60 × 1,141.46
  4. Step 4: Simplify right side
    1,938.11x = 3,052,948.92
  5. Step 5: Solve for x
    x = 3,052,948.92/1,938.11
  6. Step 6: Final answer
    x = 1,575.22

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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.