Home / 1,944.15-2,916.91-1,019.69

Finding the Fourth Proportional to 1,944.15, 2,916.91 and 1,019.69

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Solution

The fourth proportional to 1,944.15, 2,916.91 and 1,019.69 is: 1,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.15 : 2,916.91 = 1,019.69 : x
  2. Step 2: Convert to fraction form
    1,944.15/2,916.91 = 1,019.69/x
  3. Step 3: Cross multiply
    1,944.15x = 2,916.91 × 1,019.69
  4. Step 4: Simplify right side
    1,944.15x = 2,974,343.96
  5. Step 5: Solve for x
    x = 2,974,343.96/1,944.15
  6. Step 6: Final answer
    x = 1,529.90

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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.