Home / 3,014.67-4,160.55-1,688.61

Finding the Fourth Proportional to 3,014.67, 4,160.55 and 1,688.61

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Solution

The fourth proportional to 3,014.67, 4,160.55 and 1,688.61 is: 2,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.67 : 4,160.55 = 1,688.61 : x
  2. Step 2: Convert to fraction form
    3,014.67/4,160.55 = 1,688.61/x
  3. Step 3: Cross multiply
    3,014.67x = 4,160.55 × 1,688.61
  4. Step 4: Simplify right side
    3,014.67x = 7,025,546.34
  5. Step 5: Solve for x
    x = 7,025,546.34/3,014.67
  6. Step 6: Final answer
    x = 2,330.45

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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.