Home / 3,156.21-4,353.63-2,035.35

Finding the Fourth Proportional to 3,156.21, 4,353.63 and 2,035.35

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Solution

The fourth proportional to 3,156.21, 4,353.63 and 2,035.35 is: 2,807.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.21 : 4,353.63 = 2,035.35 : x
  2. Step 2: Convert to fraction form
    3,156.21/4,353.63 = 2,035.35/x
  3. Step 3: Cross multiply
    3,156.21x = 4,353.63 × 2,035.35
  4. Step 4: Simplify right side
    3,156.21x = 8,861,160.82
  5. Step 5: Solve for x
    x = 8,861,160.82/3,156.21
  6. Step 6: Final answer
    x = 2,807.53

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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.