Home / 3,827.28-5,740.76-1,230.16

Finding the Fourth Proportional to 3,827.28, 5,740.76 and 1,230.16

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Solution

The fourth proportional to 3,827.28, 5,740.76 and 1,230.16 is: 1,845.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.28 : 5,740.76 = 1,230.16 : x
  2. Step 2: Convert to fraction form
    3,827.28/5,740.76 = 1,230.16/x
  3. Step 3: Cross multiply
    3,827.28x = 5,740.76 × 1,230.16
  4. Step 4: Simplify right side
    3,827.28x = 7,062,053.32
  5. Step 5: Solve for x
    x = 7,062,053.32/3,827.28
  6. Step 6: Final answer
    x = 1,845.19

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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.