Home / 2,468.02-3,400.50-1,680.70

Finding the Fourth Proportional to 2,468.02, 3,400.50 and 1,680.70

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Solution

The fourth proportional to 2,468.02, 3,400.50 and 1,680.70 is: 2,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.02 : 3,400.50 = 1,680.70 : x
  2. Step 2: Convert to fraction form
    2,468.02/3,400.50 = 1,680.70/x
  3. Step 3: Cross multiply
    2,468.02x = 3,400.50 × 1,680.70
  4. Step 4: Simplify right side
    2,468.02x = 5,715,220.35
  5. Step 5: Solve for x
    x = 5,715,220.35/2,468.02
  6. Step 6: Final answer
    x = 2,315.71

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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.