Home / 3,156.24-4,353.48-2,110.08

Finding the Fourth Proportional to 3,156.24, 4,353.48 and 2,110.08

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Solution

The fourth proportional to 3,156.24, 4,353.48 and 2,110.08 is: 2,910.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.24 : 4,353.48 = 2,110.08 : x
  2. Step 2: Convert to fraction form
    3,156.24/4,353.48 = 2,110.08/x
  3. Step 3: Cross multiply
    3,156.24x = 4,353.48 × 2,110.08
  4. Step 4: Simplify right side
    3,156.24x = 9,186,191.08
  5. Step 5: Solve for x
    x = 9,186,191.08/3,156.24
  6. Step 6: Final answer
    x = 2,910.49

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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.