Home / 3,360.27-4,636.90-1,868.05

Finding the Fourth Proportional to 3,360.27, 4,636.90 and 1,868.05

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Solution

The fourth proportional to 3,360.27, 4,636.90 and 1,868.05 is: 2,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.27 : 4,636.90 = 1,868.05 : x
  2. Step 2: Convert to fraction form
    3,360.27/4,636.90 = 1,868.05/x
  3. Step 3: Cross multiply
    3,360.27x = 4,636.90 × 1,868.05
  4. Step 4: Simplify right side
    3,360.27x = 8,661,961.05
  5. Step 5: Solve for x
    x = 8,661,961.05/3,360.27
  6. Step 6: Final answer
    x = 2,577.76

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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.