Home / 3,515.16-4,841.08-2,920.26

Finding the Fourth Proportional to 3,515.16, 4,841.08 and 2,920.26

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Solution

The fourth proportional to 3,515.16, 4,841.08 and 2,920.26 is: 4,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.16 : 4,841.08 = 2,920.26 : x
  2. Step 2: Convert to fraction form
    3,515.16/4,841.08 = 2,920.26/x
  3. Step 3: Cross multiply
    3,515.16x = 4,841.08 × 2,920.26
  4. Step 4: Simplify right side
    3,515.16x = 14,137,212.28
  5. Step 5: Solve for x
    x = 14,137,212.28/3,515.16
  6. Step 6: Final answer
    x = 4,021.78

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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.