Home / 3,470.16-5,200.53-1,276.80

Finding the Fourth Proportional to 3,470.16, 5,200.53 and 1,276.80

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Solution

The fourth proportional to 3,470.16, 5,200.53 and 1,276.80 is: 1,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.16 : 5,200.53 = 1,276.80 : x
  2. Step 2: Convert to fraction form
    3,470.16/5,200.53 = 1,276.80/x
  3. Step 3: Cross multiply
    3,470.16x = 5,200.53 × 1,276.80
  4. Step 4: Simplify right side
    3,470.16x = 6,640,036.70
  5. Step 5: Solve for x
    x = 6,640,036.70/3,470.16
  6. Step 6: Final answer
    x = 1,913.47

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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.