Home / 2,616.16-3,919.84-1,588

Finding the Fourth Proportional to 2,616.16, 3,919.84 and 1,588

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Solution

The fourth proportional to 2,616.16, 3,919.84 and 1,588 is: 2,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.16 : 3,919.84 = 1,588 : x
  2. Step 2: Convert to fraction form
    2,616.16/3,919.84 = 1,588/x
  3. Step 3: Cross multiply
    2,616.16x = 3,919.84 × 1,588
  4. Step 4: Simplify right side
    2,616.16x = 6,224,705.92
  5. Step 5: Solve for x
    x = 6,224,705.92/2,616.16
  6. Step 6: Final answer
    x = 2,379.33

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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.