Home / 3,320.30-4,973.96-2,160.38

Finding the Fourth Proportional to 3,320.30, 4,973.96 and 2,160.38

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Solution

The fourth proportional to 3,320.30, 4,973.96 and 2,160.38 is: 3,236.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.30 : 4,973.96 = 2,160.38 : x
  2. Step 2: Convert to fraction form
    3,320.30/4,973.96 = 2,160.38/x
  3. Step 3: Cross multiply
    3,320.30x = 4,973.96 × 2,160.38
  4. Step 4: Simplify right side
    3,320.30x = 10,745,643.70
  5. Step 5: Solve for x
    x = 10,745,643.70/3,320.30
  6. Step 6: Final answer
    x = 3,236.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.