Home / 3,014.46-4,160.03-1,688.22

Finding the Fourth Proportional to 3,014.46, 4,160.03 and 1,688.22

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Solution

The fourth proportional to 3,014.46, 4,160.03 and 1,688.22 is: 2,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.46 : 4,160.03 = 1,688.22 : x
  2. Step 2: Convert to fraction form
    3,014.46/4,160.03 = 1,688.22/x
  3. Step 3: Cross multiply
    3,014.46x = 4,160.03 × 1,688.22
  4. Step 4: Simplify right side
    3,014.46x = 7,023,037.41
  5. Step 5: Solve for x
    x = 7,023,037.41/3,014.46
  6. Step 6: Final answer
    x = 2,329.78

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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.