Home / 3,320.24-4,579.56-2,140.17

Finding the Fourth Proportional to 3,320.24, 4,579.56 and 2,140.17

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Solution

The fourth proportional to 3,320.24, 4,579.56 and 2,140.17 is: 2,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.24 : 4,579.56 = 2,140.17 : x
  2. Step 2: Convert to fraction form
    3,320.24/4,579.56 = 2,140.17/x
  3. Step 3: Cross multiply
    3,320.24x = 4,579.56 × 2,140.17
  4. Step 4: Simplify right side
    3,320.24x = 9,801,051.53
  5. Step 5: Solve for x
    x = 9,801,051.53/3,320.24
  6. Step 6: Final answer
    x = 2,951.91

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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.