Home / 3,862.02-5,329.62-2,291.16

Finding the Fourth Proportional to 3,862.02, 5,329.62 and 2,291.16

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Solution

The fourth proportional to 3,862.02, 5,329.62 and 2,291.16 is: 3,161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.02 : 5,329.62 = 2,291.16 : x
  2. Step 2: Convert to fraction form
    3,862.02/5,329.62 = 2,291.16/x
  3. Step 3: Cross multiply
    3,862.02x = 5,329.62 × 2,291.16
  4. Step 4: Simplify right side
    3,862.02x = 12,211,012.16
  5. Step 5: Solve for x
    x = 12,211,012.16/3,862.02
  6. Step 6: Final answer
    x = 3,161.82

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Double scale
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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.