Home / 3,214.06-4,435.57-1,954.91

Finding the Fourth Proportional to 3,214.06, 4,435.57 and 1,954.91

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Solution

The fourth proportional to 3,214.06, 4,435.57 and 1,954.91 is: 2,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.06 : 4,435.57 = 1,954.91 : x
  2. Step 2: Convert to fraction form
    3,214.06/4,435.57 = 1,954.91/x
  3. Step 3: Cross multiply
    3,214.06x = 4,435.57 × 1,954.91
  4. Step 4: Simplify right side
    3,214.06x = 8,671,140.15
  5. Step 5: Solve for x
    x = 8,671,140.15/3,214.06
  6. Step 6: Final answer
    x = 2,697.88

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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.