Home / 3,790.16-5,687.08-2,859.18

Finding the Fourth Proportional to 3,790.16, 5,687.08 and 2,859.18

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Solution

The fourth proportional to 3,790.16, 5,687.08 and 2,859.18 is: 4,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.16 : 5,687.08 = 2,859.18 : x
  2. Step 2: Convert to fraction form
    3,790.16/5,687.08 = 2,859.18/x
  3. Step 3: Cross multiply
    3,790.16x = 5,687.08 × 2,859.18
  4. Step 4: Simplify right side
    3,790.16x = 16,260,385.39
  5. Step 5: Solve for x
    x = 16,260,385.39/3,790.16
  6. Step 6: Final answer
    x = 4,290.16

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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.