Home / 1,441.46-2,162.54-619.74

Finding the Fourth Proportional to 1,441.46, 2,162.54 and 619.74

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Solution

The fourth proportional to 1,441.46, 2,162.54 and 619.74 is: 929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.46 : 2,162.54 = 619.74 : x
  2. Step 2: Convert to fraction form
    1,441.46/2,162.54 = 619.74/x
  3. Step 3: Cross multiply
    1,441.46x = 2,162.54 × 619.74
  4. Step 4: Simplify right side
    1,441.46x = 1,340,209.44
  5. Step 5: Solve for x
    x = 1,340,209.44/1,441.46
  6. Step 6: Final answer
    x = 929.76

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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.