Home / 3,829.66-5,288.06-2,415.62

Finding the Fourth Proportional to 3,829.66, 5,288.06 and 2,415.62

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Solution

The fourth proportional to 3,829.66, 5,288.06 and 2,415.62 is: 3,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.66 : 5,288.06 = 2,415.62 : x
  2. Step 2: Convert to fraction form
    3,829.66/5,288.06 = 2,415.62/x
  3. Step 3: Cross multiply
    3,829.66x = 5,288.06 × 2,415.62
  4. Step 4: Simplify right side
    3,829.66x = 12,773,943.50
  5. Step 5: Solve for x
    x = 12,773,943.50/3,829.66
  6. Step 6: Final answer
    x = 3,335.53

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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.