Home / 3,210.26-4,429.62-1,951.10

Finding the Fourth Proportional to 3,210.26, 4,429.62 and 1,951.10

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Solution

The fourth proportional to 3,210.26, 4,429.62 and 1,951.10 is: 2,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.26 : 4,429.62 = 1,951.10 : x
  2. Step 2: Convert to fraction form
    3,210.26/4,429.62 = 1,951.10/x
  3. Step 3: Cross multiply
    3,210.26x = 4,429.62 × 1,951.10
  4. Step 4: Simplify right side
    3,210.26x = 8,642,631.58
  5. Step 5: Solve for x
    x = 8,642,631.58/3,210.26
  6. Step 6: Final answer
    x = 2,692.19

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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.