Home / 3,320.11-4,999.93-2,892.43

Finding the Fourth Proportional to 3,320.11, 4,999.93 and 2,892.43

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Solution

The fourth proportional to 3,320.11, 4,999.93 and 2,892.43 is: 4,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.11 : 4,999.93 = 2,892.43 : x
  2. Step 2: Convert to fraction form
    3,320.11/4,999.93 = 2,892.43/x
  3. Step 3: Cross multiply
    3,320.11x = 4,999.93 × 2,892.43
  4. Step 4: Simplify right side
    3,320.11x = 14,461,947.53
  5. Step 5: Solve for x
    x = 14,461,947.53/3,320.11
  6. Step 6: Final answer
    x = 4,355.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.