Home / 3,580.53-5,370.99-1,240.65

Finding the Fourth Proportional to 3,580.53, 5,370.99 and 1,240.65

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Solution

The fourth proportional to 3,580.53, 5,370.99 and 1,240.65 is: 1,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.53 : 5,370.99 = 1,240.65 : x
  2. Step 2: Convert to fraction form
    3,580.53/5,370.99 = 1,240.65/x
  3. Step 3: Cross multiply
    3,580.53x = 5,370.99 × 1,240.65
  4. Step 4: Simplify right side
    3,580.53x = 6,663,518.74
  5. Step 5: Solve for x
    x = 6,663,518.74/3,580.53
  6. Step 6: Final answer
    x = 1,861.04

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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.