Home / 3,014.73-4,159.80-1,688.49

Finding the Fourth Proportional to 3,014.73, 4,159.80 and 1,688.49

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Solution

The fourth proportional to 3,014.73, 4,159.80 and 1,688.49 is: 2,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.73 : 4,159.80 = 1,688.49 : x
  2. Step 2: Convert to fraction form
    3,014.73/4,159.80 = 1,688.49/x
  3. Step 3: Cross multiply
    3,014.73x = 4,159.80 × 1,688.49
  4. Step 4: Simplify right side
    3,014.73x = 7,023,780.70
  5. Step 5: Solve for x
    x = 7,023,780.70/3,014.73
  6. Step 6: Final answer
    x = 2,329.82

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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.