Home / 3,434.26-5,151.38-1,242.98

Finding the Fourth Proportional to 3,434.26, 5,151.38 and 1,242.98

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Solution

The fourth proportional to 3,434.26, 5,151.38 and 1,242.98 is: 1,864.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.26 : 5,151.38 = 1,242.98 : x
  2. Step 2: Convert to fraction form
    3,434.26/5,151.38 = 1,242.98/x
  3. Step 3: Cross multiply
    3,434.26x = 5,151.38 × 1,242.98
  4. Step 4: Simplify right side
    3,434.26x = 6,403,062.31
  5. Step 5: Solve for x
    x = 6,403,062.31/3,434.26
  6. Step 6: Final answer
    x = 1,864.47

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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.