Home / 1,628.20-2,440.86-1,470.76

Finding the Fourth Proportional to 1,628.20, 2,440.86 and 1,470.76

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Solution

The fourth proportional to 1,628.20, 2,440.86 and 1,470.76 is: 2,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.20 : 2,440.86 = 1,470.76 : x
  2. Step 2: Convert to fraction form
    1,628.20/2,440.86 = 1,470.76/x
  3. Step 3: Cross multiply
    1,628.20x = 2,440.86 × 1,470.76
  4. Step 4: Simplify right side
    1,628.20x = 3,589,919.25
  5. Step 5: Solve for x
    x = 3,589,919.25/1,628.20
  6. Step 6: Final answer
    x = 2,204.84

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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.