Home / 2,625.35-3,627.80-1,960.74

Finding the Fourth Proportional to 2,625.35, 3,627.80 and 1,960.74

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Solution

The fourth proportional to 2,625.35, 3,627.80 and 1,960.74 is: 2,709.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.35 : 3,627.80 = 1,960.74 : x
  2. Step 2: Convert to fraction form
    2,625.35/3,627.80 = 1,960.74/x
  3. Step 3: Cross multiply
    2,625.35x = 3,627.80 × 1,960.74
  4. Step 4: Simplify right side
    2,625.35x = 7,113,162.77
  5. Step 5: Solve for x
    x = 7,113,162.77/2,625.35
  6. Step 6: Final answer
    x = 2,709.42

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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.