Home / 2,125.01-3,186.29-824.96

Finding the Fourth Proportional to 2,125.01, 3,186.29 and 824.96

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Solution

The fourth proportional to 2,125.01, 3,186.29 and 824.96 is: 1,236.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.01 : 3,186.29 = 824.96 : x
  2. Step 2: Convert to fraction form
    2,125.01/3,186.29 = 824.96/x
  3. Step 3: Cross multiply
    2,125.01x = 3,186.29 × 824.96
  4. Step 4: Simplify right side
    2,125.01x = 2,628,541.74
  5. Step 5: Solve for x
    x = 2,628,541.74/2,125.01
  6. Step 6: Final answer
    x = 1,236.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.