Home / 3,643.41-5,028.71-2,316.86

Finding the Fourth Proportional to 3,643.41, 5,028.71 and 2,316.86

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Solution

The fourth proportional to 3,643.41, 5,028.71 and 2,316.86 is: 3,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.41 : 5,028.71 = 2,316.86 : x
  2. Step 2: Convert to fraction form
    3,643.41/5,028.71 = 2,316.86/x
  3. Step 3: Cross multiply
    3,643.41x = 5,028.71 × 2,316.86
  4. Step 4: Simplify right side
    3,643.41x = 11,650,807.87
  5. Step 5: Solve for x
    x = 11,650,807.87/3,643.41
  6. Step 6: Final answer
    x = 3,197.77

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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.