Home / 2,170.27-3,255.35-526.82

Finding the Fourth Proportional to 2,170.27, 3,255.35 and 526.82

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Solution

The fourth proportional to 2,170.27, 3,255.35 and 526.82 is: 790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.27 : 3,255.35 = 526.82 : x
  2. Step 2: Convert to fraction form
    2,170.27/3,255.35 = 526.82/x
  3. Step 3: Cross multiply
    2,170.27x = 3,255.35 × 526.82
  4. Step 4: Simplify right side
    2,170.27x = 1,714,983.49
  5. Step 5: Solve for x
    x = 1,714,983.49/2,170.27
  6. Step 6: Final answer
    x = 790.22

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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.