Home / 3,210.11-4,429.95-1,951.58

Finding the Fourth Proportional to 3,210.11, 4,429.95 and 1,951.58

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Solution

The fourth proportional to 3,210.11, 4,429.95 and 1,951.58 is: 2,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.11 : 4,429.95 = 1,951.58 : x
  2. Step 2: Convert to fraction form
    3,210.11/4,429.95 = 1,951.58/x
  3. Step 3: Cross multiply
    3,210.11x = 4,429.95 × 1,951.58
  4. Step 4: Simplify right side
    3,210.11x = 8,645,379.67
  5. Step 5: Solve for x
    x = 8,645,379.67/3,210.11
  6. Step 6: Final answer
    x = 2,693.18

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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.