Home / 3,561.53-5,341.48-1,586.12

Finding the Fourth Proportional to 3,561.53, 5,341.48 and 1,586.12

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Solution

The fourth proportional to 3,561.53, 5,341.48 and 1,586.12 is: 2,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.53 : 5,341.48 = 1,586.12 : x
  2. Step 2: Convert to fraction form
    3,561.53/5,341.48 = 1,586.12/x
  3. Step 3: Cross multiply
    3,561.53x = 5,341.48 × 1,586.12
  4. Step 4: Simplify right side
    3,561.53x = 8,472,197.58
  5. Step 5: Solve for x
    x = 8,472,197.58/3,561.53
  6. Step 6: Final answer
    x = 2,378.81

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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.