Home / 3,151.25-4,725.87-1,042.49

Finding the Fourth Proportional to 3,151.25, 4,725.87 and 1,042.49

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Solution

The fourth proportional to 3,151.25, 4,725.87 and 1,042.49 is: 1,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.25 : 4,725.87 = 1,042.49 : x
  2. Step 2: Convert to fraction form
    3,151.25/4,725.87 = 1,042.49/x
  3. Step 3: Cross multiply
    3,151.25x = 4,725.87 × 1,042.49
  4. Step 4: Simplify right side
    3,151.25x = 4,926,648.59
  5. Step 5: Solve for x
    x = 4,926,648.59/3,151.25
  6. Step 6: Final answer
    x = 1,563.40

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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.