Home / 3,512.22-5,269.18-1,868.42

Finding the Fourth Proportional to 3,512.22, 5,269.18 and 1,868.42

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Solution

The fourth proportional to 3,512.22, 5,269.18 and 1,868.42 is: 2,803.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.22 : 5,269.18 = 1,868.42 : x
  2. Step 2: Convert to fraction form
    3,512.22/5,269.18 = 1,868.42/x
  3. Step 3: Cross multiply
    3,512.22x = 5,269.18 × 1,868.42
  4. Step 4: Simplify right side
    3,512.22x = 9,845,041.30
  5. Step 5: Solve for x
    x = 9,845,041.30/3,512.22
  6. Step 6: Final answer
    x = 2,803.08

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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.