Home / 3,851.58-5,311.90-2,507.52

Finding the Fourth Proportional to 3,851.58, 5,311.90 and 2,507.52

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Solution

The fourth proportional to 3,851.58, 5,311.90 and 2,507.52 is: 3,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.58 : 5,311.90 = 2,507.52 : x
  2. Step 2: Convert to fraction form
    3,851.58/5,311.90 = 2,507.52/x
  3. Step 3: Cross multiply
    3,851.58x = 5,311.90 × 2,507.52
  4. Step 4: Simplify right side
    3,851.58x = 13,319,695.49
  5. Step 5: Solve for x
    x = 13,319,695.49/3,851.58
  6. Step 6: Final answer
    x = 3,458.24

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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.