Home / 3,524.63-4,864.55-2,128.19

Finding the Fourth Proportional to 3,524.63, 4,864.55 and 2,128.19

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Solution

The fourth proportional to 3,524.63, 4,864.55 and 2,128.19 is: 2,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524.63 : 4,864.55 = 2,128.19 : x
  2. Step 2: Convert to fraction form
    3,524.63/4,864.55 = 2,128.19/x
  3. Step 3: Cross multiply
    3,524.63x = 4,864.55 × 2,128.19
  4. Step 4: Simplify right side
    3,524.63x = 10,352,651.70
  5. Step 5: Solve for x
    x = 10,352,651.70/3,524.63
  6. Step 6: Final answer
    x = 2,937.23

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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.