Home / 3,019.17-4,529.34-1,287.75

Finding the Fourth Proportional to 3,019.17, 4,529.34 and 1,287.75

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Solution

The fourth proportional to 3,019.17, 4,529.34 and 1,287.75 is: 1,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.17 : 4,529.34 = 1,287.75 : x
  2. Step 2: Convert to fraction form
    3,019.17/4,529.34 = 1,287.75/x
  3. Step 3: Cross multiply
    3,019.17x = 4,529.34 × 1,287.75
  4. Step 4: Simplify right side
    3,019.17x = 5,832,657.59
  5. Step 5: Solve for x
    x = 5,832,657.59/3,019.17
  6. Step 6: Final answer
    x = 1,931.87

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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.