Home / 3,259.04-4,499.63-2,019.20

Finding the Fourth Proportional to 3,259.04, 4,499.63 and 2,019.20

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Solution

The fourth proportional to 3,259.04, 4,499.63 and 2,019.20 is: 2,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.04 : 4,499.63 = 2,019.20 : x
  2. Step 2: Convert to fraction form
    3,259.04/4,499.63 = 2,019.20/x
  3. Step 3: Cross multiply
    3,259.04x = 4,499.63 × 2,019.20
  4. Step 4: Simplify right side
    3,259.04x = 9,085,620.30
  5. Step 5: Solve for x
    x = 9,085,620.30/3,259.04
  6. Step 6: Final answer
    x = 2,787.83

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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.