Home / 3,520.34-4,852.90-2,679.58

Finding the Fourth Proportional to 3,520.34, 4,852.90 and 2,679.58

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Solution

The fourth proportional to 3,520.34, 4,852.90 and 2,679.58 is: 3,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.34 : 4,852.90 = 2,679.58 : x
  2. Step 2: Convert to fraction form
    3,520.34/4,852.90 = 2,679.58/x
  3. Step 3: Cross multiply
    3,520.34x = 4,852.90 × 2,679.58
  4. Step 4: Simplify right side
    3,520.34x = 13,003,733.15
  5. Step 5: Solve for x
    x = 13,003,733.15/3,520.34
  6. Step 6: Final answer
    x = 3,693.88

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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.