Home / 3,393.36-4,688.28-3,229.74

Finding the Fourth Proportional to 3,393.36, 4,688.28 and 3,229.74

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Solution

The fourth proportional to 3,393.36, 4,688.28 and 3,229.74 is: 4,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.36 : 4,688.28 = 3,229.74 : x
  2. Step 2: Convert to fraction form
    3,393.36/4,688.28 = 3,229.74/x
  3. Step 3: Cross multiply
    3,393.36x = 4,688.28 × 3,229.74
  4. Step 4: Simplify right side
    3,393.36x = 15,141,925.45
  5. Step 5: Solve for x
    x = 15,141,925.45/3,393.36
  6. Step 6: Final answer
    x = 4,462.22

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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.