Home / 3,470.13-5,200.50-1,276.77

Finding the Fourth Proportional to 3,470.13, 5,200.50 and 1,276.77

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Solution

The fourth proportional to 3,470.13, 5,200.50 and 1,276.77 is: 1,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.13 : 5,200.50 = 1,276.77 : x
  2. Step 2: Convert to fraction form
    3,470.13/5,200.50 = 1,276.77/x
  3. Step 3: Cross multiply
    3,470.13x = 5,200.50 × 1,276.77
  4. Step 4: Simplify right side
    3,470.13x = 6,639,842.39
  5. Step 5: Solve for x
    x = 6,639,842.39/3,470.13
  6. Step 6: Final answer
    x = 1,913.43

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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.