Home / 3,168.89-4,752.13-1,268.63

Finding the Fourth Proportional to 3,168.89, 4,752.13 and 1,268.63

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Solution

The fourth proportional to 3,168.89, 4,752.13 and 1,268.63 is: 1,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.89 : 4,752.13 = 1,268.63 : x
  2. Step 2: Convert to fraction form
    3,168.89/4,752.13 = 1,268.63/x
  3. Step 3: Cross multiply
    3,168.89x = 4,752.13 × 1,268.63
  4. Step 4: Simplify right side
    3,168.89x = 6,028,688.34
  5. Step 5: Solve for x
    x = 6,028,688.34/3,168.89
  6. Step 6: Final answer
    x = 1,902.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.