Home / 2,825.22-4,238.84-1,507.58

Finding the Fourth Proportional to 2,825.22, 4,238.84 and 1,507.58

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Solution

The fourth proportional to 2,825.22, 4,238.84 and 1,507.58 is: 2,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.22 : 4,238.84 = 1,507.58 : x
  2. Step 2: Convert to fraction form
    2,825.22/4,238.84 = 1,507.58/x
  3. Step 3: Cross multiply
    2,825.22x = 4,238.84 × 1,507.58
  4. Step 4: Simplify right side
    2,825.22x = 6,390,390.41
  5. Step 5: Solve for x
    x = 6,390,390.41/2,825.22
  6. Step 6: Final answer
    x = 2,261.91

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1.5x scale

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.