Home / 3,434.21-4,739.28-1,942.16

Finding the Fourth Proportional to 3,434.21, 4,739.28 and 1,942.16

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Solution

The fourth proportional to 3,434.21, 4,739.28 and 1,942.16 is: 2,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.21 : 4,739.28 = 1,942.16 : x
  2. Step 2: Convert to fraction form
    3,434.21/4,739.28 = 1,942.16/x
  3. Step 3: Cross multiply
    3,434.21x = 4,739.28 × 1,942.16
  4. Step 4: Simplify right side
    3,434.21x = 9,204,440.04
  5. Step 5: Solve for x
    x = 9,204,440.04/3,434.21
  6. Step 6: Final answer
    x = 2,680.22

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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.