Home / 1,619.52-2,234.16-1,572

Finding the Fourth Proportional to 1,619.52, 2,234.16 and 1,572

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Solution

The fourth proportional to 1,619.52, 2,234.16 and 1,572 is: 2,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.52 : 2,234.16 = 1,572 : x
  2. Step 2: Convert to fraction form
    1,619.52/2,234.16 = 1,572/x
  3. Step 3: Cross multiply
    1,619.52x = 2,234.16 × 1,572
  4. Step 4: Simplify right side
    1,619.52x = 3,512,099.52
  5. Step 5: Solve for x
    x = 3,512,099.52/1,619.52
  6. Step 6: Final answer
    x = 2,168.61

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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.