Home / 2,170.07-3,255.06-526.60

Finding the Fourth Proportional to 2,170.07, 3,255.06 and 526.60

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Solution

The fourth proportional to 2,170.07, 3,255.06 and 526.60 is: 789.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.07 : 3,255.06 = 526.60 : x
  2. Step 2: Convert to fraction form
    2,170.07/3,255.06 = 526.60/x
  3. Step 3: Cross multiply
    2,170.07x = 3,255.06 × 526.60
  4. Step 4: Simplify right side
    2,170.07x = 1,714,120.64
  5. Step 5: Solve for x
    x = 1,714,120.64/2,170.07
  6. Step 6: Final answer
    x = 789.89

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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.