Home / 3,530.25-4,871.81-2,290.41

Finding the Fourth Proportional to 3,530.25, 4,871.81 and 2,290.41

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Solution

The fourth proportional to 3,530.25, 4,871.81 and 2,290.41 is: 3,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.25 : 4,871.81 = 2,290.41 : x
  2. Step 2: Convert to fraction form
    3,530.25/4,871.81 = 2,290.41/x
  3. Step 3: Cross multiply
    3,530.25x = 4,871.81 × 2,290.41
  4. Step 4: Simplify right side
    3,530.25x = 11,158,430.89
  5. Step 5: Solve for x
    x = 11,158,430.89/3,530.25
  6. Step 6: Final answer
    x = 3,160.80

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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.