Home / 3,827.16-5,740.20-1,229.76

Finding the Fourth Proportional to 3,827.16, 5,740.20 and 1,229.76

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Solution

The fourth proportional to 3,827.16, 5,740.20 and 1,229.76 is: 1,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.16 : 5,740.20 = 1,229.76 : x
  2. Step 2: Convert to fraction form
    3,827.16/5,740.20 = 1,229.76/x
  3. Step 3: Cross multiply
    3,827.16x = 5,740.20 × 1,229.76
  4. Step 4: Simplify right side
    3,827.16x = 7,059,068.35
  5. Step 5: Solve for x
    x = 7,059,068.35/3,827.16
  6. Step 6: Final answer
    x = 1,844.47

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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.