Home / 3,529.63-4,869.91-2,781.27

Finding the Fourth Proportional to 3,529.63, 4,869.91 and 2,781.27

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Solution

The fourth proportional to 3,529.63, 4,869.91 and 2,781.27 is: 3,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.63 : 4,869.91 = 2,781.27 : x
  2. Step 2: Convert to fraction form
    3,529.63/4,869.91 = 2,781.27/x
  3. Step 3: Cross multiply
    3,529.63x = 4,869.91 × 2,781.27
  4. Step 4: Simplify right side
    3,529.63x = 13,544,534.59
  5. Step 5: Solve for x
    x = 13,544,534.59/3,529.63
  6. Step 6: Final answer
    x = 3,837.38

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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.