Home / 3,530.21-4,871.91-2,038.19

Finding the Fourth Proportional to 3,530.21, 4,871.91 and 2,038.19

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Solution

The fourth proportional to 3,530.21, 4,871.91 and 2,038.19 is: 2,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.21 : 4,871.91 = 2,038.19 : x
  2. Step 2: Convert to fraction form
    3,530.21/4,871.91 = 2,038.19/x
  3. Step 3: Cross multiply
    3,530.21x = 4,871.91 × 2,038.19
  4. Step 4: Simplify right side
    3,530.21x = 9,929,861.53
  5. Step 5: Solve for x
    x = 9,929,861.53/3,530.21
  6. Step 6: Final answer
    x = 2,812.83

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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.