Home / 3,886.46-5,827.95-1,253.15

Finding the Fourth Proportional to 3,886.46, 5,827.95 and 1,253.15

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Solution

The fourth proportional to 3,886.46, 5,827.95 and 1,253.15 is: 1,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.46 : 5,827.95 = 1,253.15 : x
  2. Step 2: Convert to fraction form
    3,886.46/5,827.95 = 1,253.15/x
  3. Step 3: Cross multiply
    3,886.46x = 5,827.95 × 1,253.15
  4. Step 4: Simplify right side
    3,886.46x = 7,303,295.54
  5. Step 5: Solve for x
    x = 7,303,295.54/3,886.46
  6. Step 6: Final answer
    x = 1,879.16

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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.