Home / 3,434.24-5,148.29-1,678.25

Finding the Fourth Proportional to 3,434.24, 5,148.29 and 1,678.25

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Solution

The fourth proportional to 3,434.24, 5,148.29 and 1,678.25 is: 2,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.24 : 5,148.29 = 1,678.25 : x
  2. Step 2: Convert to fraction form
    3,434.24/5,148.29 = 1,678.25/x
  3. Step 3: Cross multiply
    3,434.24x = 5,148.29 × 1,678.25
  4. Step 4: Simplify right side
    3,434.24x = 8,640,134.76
  5. Step 5: Solve for x
    x = 8,640,134.76/3,434.24
  6. Step 6: Final answer
    x = 2,515.88

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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.