Home / 3,530.75-4,871.57-2,038.66

Finding the Fourth Proportional to 3,530.75, 4,871.57 and 2,038.66

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Solution

The fourth proportional to 3,530.75, 4,871.57 and 2,038.66 is: 2,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.75 : 4,871.57 = 2,038.66 : x
  2. Step 2: Convert to fraction form
    3,530.75/4,871.57 = 2,038.66/x
  3. Step 3: Cross multiply
    3,530.75x = 4,871.57 × 2,038.66
  4. Step 4: Simplify right side
    3,530.75x = 9,931,452.52
  5. Step 5: Solve for x
    x = 9,931,452.52/3,530.75
  6. Step 6: Final answer
    x = 2,812.85

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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.