Home / 3,320.33-4,580.96-2,142.18

Finding the Fourth Proportional to 3,320.33, 4,580.96 and 2,142.18

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Solution

The fourth proportional to 3,320.33, 4,580.96 and 2,142.18 is: 2,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.33 : 4,580.96 = 2,142.18 : x
  2. Step 2: Convert to fraction form
    3,320.33/4,580.96 = 2,142.18/x
  3. Step 3: Cross multiply
    3,320.33x = 4,580.96 × 2,142.18
  4. Step 4: Simplify right side
    3,320.33x = 9,813,230.18
  5. Step 5: Solve for x
    x = 9,813,230.18/3,320.33
  6. Step 6: Final answer
    x = 2,955.50

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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.