Home / 3,210.54-4,429.32-1,951.13

Finding the Fourth Proportional to 3,210.54, 4,429.32 and 1,951.13

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Solution

The fourth proportional to 3,210.54, 4,429.32 and 1,951.13 is: 2,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.54 : 4,429.32 = 1,951.13 : x
  2. Step 2: Convert to fraction form
    3,210.54/4,429.32 = 1,951.13/x
  3. Step 3: Cross multiply
    3,210.54x = 4,429.32 × 1,951.13
  4. Step 4: Simplify right side
    3,210.54x = 8,642,156.99
  5. Step 5: Solve for x
    x = 8,642,156.99/3,210.54
  6. Step 6: Final answer
    x = 2,691.81

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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.