Home / 3,507.14-5,261.12-1,315.82

Finding the Fourth Proportional to 3,507.14, 5,261.12 and 1,315.82

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Solution

The fourth proportional to 3,507.14, 5,261.12 and 1,315.82 is: 1,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.14 : 5,261.12 = 1,315.82 : x
  2. Step 2: Convert to fraction form
    3,507.14/5,261.12 = 1,315.82/x
  3. Step 3: Cross multiply
    3,507.14x = 5,261.12 × 1,315.82
  4. Step 4: Simplify right side
    3,507.14x = 6,922,686.92
  5. Step 5: Solve for x
    x = 6,922,686.92/3,507.14
  6. Step 6: Final answer
    x = 1,973.88

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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.