Home / 2,619.32-3,614.90-1,440.62

Finding the Fourth Proportional to 2,619.32, 3,614.90 and 1,440.62

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Solution

The fourth proportional to 2,619.32, 3,614.90 and 1,440.62 is: 1,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.32 : 3,614.90 = 1,440.62 : x
  2. Step 2: Convert to fraction form
    2,619.32/3,614.90 = 1,440.62/x
  3. Step 3: Cross multiply
    2,619.32x = 3,614.90 × 1,440.62
  4. Step 4: Simplify right side
    2,619.32x = 5,207,697.24
  5. Step 5: Solve for x
    x = 5,207,697.24/2,619.32
  6. Step 6: Final answer
    x = 1,988.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.