Home / 2,388.99-3,585.45-1,219.85

Finding the Fourth Proportional to 2,388.99, 3,585.45 and 1,219.85

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Solution

The fourth proportional to 2,388.99, 3,585.45 and 1,219.85 is: 1,830.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.99 : 3,585.45 = 1,219.85 : x
  2. Step 2: Convert to fraction form
    2,388.99/3,585.45 = 1,219.85/x
  3. Step 3: Cross multiply
    2,388.99x = 3,585.45 × 1,219.85
  4. Step 4: Simplify right side
    2,388.99x = 4,373,693.26
  5. Step 5: Solve for x
    x = 4,373,693.26/2,388.99
  6. Step 6: Final answer
    x = 1,830.77

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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.