Home / 3,434.46-5,151.69-837.39

Finding the Fourth Proportional to 3,434.46, 5,151.69 and 837.39

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Solution

The fourth proportional to 3,434.46, 5,151.69 and 837.39 is: 1,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.46 : 5,151.69 = 837.39 : x
  2. Step 2: Convert to fraction form
    3,434.46/5,151.69 = 837.39/x
  3. Step 3: Cross multiply
    3,434.46x = 5,151.69 × 837.39
  4. Step 4: Simplify right side
    3,434.46x = 4,313,973.69
  5. Step 5: Solve for x
    x = 4,313,973.69/3,434.46
  6. Step 6: Final answer
    x = 1,256.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.