Home / 3,512.57-4,841.78-2,670.57

Finding the Fourth Proportional to 3,512.57, 4,841.78 and 2,670.57

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Solution

The fourth proportional to 3,512.57, 4,841.78 and 2,670.57 is: 3,681.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.57 : 4,841.78 = 2,670.57 : x
  2. Step 2: Convert to fraction form
    3,512.57/4,841.78 = 2,670.57/x
  3. Step 3: Cross multiply
    3,512.57x = 4,841.78 × 2,670.57
  4. Step 4: Simplify right side
    3,512.57x = 12,930,299.06
  5. Step 5: Solve for x
    x = 12,930,299.06/3,512.57
  6. Step 6: Final answer
    x = 3,681.16

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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.