Home / 3,472.08-5,208.87-1,280.82

Finding the Fourth Proportional to 3,472.08, 5,208.87 and 1,280.82

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Solution

The fourth proportional to 3,472.08, 5,208.87 and 1,280.82 is: 1,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.08 : 5,208.87 = 1,280.82 : x
  2. Step 2: Convert to fraction form
    3,472.08/5,208.87 = 1,280.82/x
  3. Step 3: Cross multiply
    3,472.08x = 5,208.87 × 1,280.82
  4. Step 4: Simplify right side
    3,472.08x = 6,671,624.87
  5. Step 5: Solve for x
    x = 6,671,624.87/3,472.08
  6. Step 6: Final answer
    x = 1,921.51

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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.