Home / 3,561.42-5,342.13-1,371.18

Finding the Fourth Proportional to 3,561.42, 5,342.13 and 1,371.18

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Solution

The fourth proportional to 3,561.42, 5,342.13 and 1,371.18 is: 2,056.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.42 : 5,342.13 = 1,371.18 : x
  2. Step 2: Convert to fraction form
    3,561.42/5,342.13 = 1,371.18/x
  3. Step 3: Cross multiply
    3,561.42x = 5,342.13 × 1,371.18
  4. Step 4: Simplify right side
    3,561.42x = 7,325,021.81
  5. Step 5: Solve for x
    x = 7,325,021.81/3,561.42
  6. Step 6: Final answer
    x = 2,056.77

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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.