Home / 2,951.78-4,073.69-1,625.60

Finding the Fourth Proportional to 2,951.78, 4,073.69 and 1,625.60

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Solution

The fourth proportional to 2,951.78, 4,073.69 and 1,625.60 is: 2,243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.78 : 4,073.69 = 1,625.60 : x
  2. Step 2: Convert to fraction form
    2,951.78/4,073.69 = 1,625.60/x
  3. Step 3: Cross multiply
    2,951.78x = 4,073.69 × 1,625.60
  4. Step 4: Simplify right side
    2,951.78x = 6,622,204.71
  5. Step 5: Solve for x
    x = 6,622,204.71/2,951.78
  6. Step 6: Final answer
    x = 2,243.47

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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.