Home / 3,561.18-5,341.26-1,711.80

Finding the Fourth Proportional to 3,561.18, 5,341.26 and 1,711.80

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Solution

The fourth proportional to 3,561.18, 5,341.26 and 1,711.80 is: 2,567.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.18 : 5,341.26 = 1,711.80 : x
  2. Step 2: Convert to fraction form
    3,561.18/5,341.26 = 1,711.80/x
  3. Step 3: Cross multiply
    3,561.18x = 5,341.26 × 1,711.80
  4. Step 4: Simplify right side
    3,561.18x = 9,143,168.87
  5. Step 5: Solve for x
    x = 9,143,168.87/3,561.18
  6. Step 6: Final answer
    x = 2,567.45

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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.