Home / 3,014.47-4,159.97-1,688.19

Finding the Fourth Proportional to 3,014.47, 4,159.97 and 1,688.19

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Solution

The fourth proportional to 3,014.47, 4,159.97 and 1,688.19 is: 2,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.47 : 4,159.97 = 1,688.19 : x
  2. Step 2: Convert to fraction form
    3,014.47/4,159.97 = 1,688.19/x
  3. Step 3: Cross multiply
    3,014.47x = 4,159.97 × 1,688.19
  4. Step 4: Simplify right side
    3,014.47x = 7,022,819.75
  5. Step 5: Solve for x
    x = 7,022,819.75/3,014.47
  6. Step 6: Final answer
    x = 2,329.71

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1.5x scale

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.