Home / 2,170.34-3,255.50-526.88

Finding the Fourth Proportional to 2,170.34, 3,255.50 and 526.88

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Solution

The fourth proportional to 2,170.34, 3,255.50 and 526.88 is: 790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.34 : 3,255.50 = 526.88 : x
  2. Step 2: Convert to fraction form
    2,170.34/3,255.50 = 526.88/x
  3. Step 3: Cross multiply
    2,170.34x = 3,255.50 × 526.88
  4. Step 4: Simplify right side
    2,170.34x = 1,715,257.84
  5. Step 5: Solve for x
    x = 1,715,257.84/2,170.34
  6. Step 6: Final answer
    x = 790.32

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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.