Home / 3,386.61-4,670.46-2,796.12

Finding the Fourth Proportional to 3,386.61, 4,670.46 and 2,796.12

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Solution

The fourth proportional to 3,386.61, 4,670.46 and 2,796.12 is: 3,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.61 : 4,670.46 = 2,796.12 : x
  2. Step 2: Convert to fraction form
    3,386.61/4,670.46 = 2,796.12/x
  3. Step 3: Cross multiply
    3,386.61x = 4,670.46 × 2,796.12
  4. Step 4: Simplify right side
    3,386.61x = 13,059,166.62
  5. Step 5: Solve for x
    x = 13,059,166.62/3,386.61
  6. Step 6: Final answer
    x = 3,856.12

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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.