Home / 3,529.69-4,869.40-2,270.51

Finding the Fourth Proportional to 3,529.69, 4,869.40 and 2,270.51

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Solution

The fourth proportional to 3,529.69, 4,869.40 and 2,270.51 is: 3,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.69 : 4,869.40 = 2,270.51 : x
  2. Step 2: Convert to fraction form
    3,529.69/4,869.40 = 2,270.51/x
  3. Step 3: Cross multiply
    3,529.69x = 4,869.40 × 2,270.51
  4. Step 4: Simplify right side
    3,529.69x = 11,056,021.39
  5. Step 5: Solve for x
    x = 11,056,021.39/3,529.69
  6. Step 6: Final answer
    x = 3,132.29

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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.