Home / 3,507.54-5,259.87-1,315.14

Finding the Fourth Proportional to 3,507.54, 5,259.87 and 1,315.14

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Solution

The fourth proportional to 3,507.54, 5,259.87 and 1,315.14 is: 1,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.54 : 5,259.87 = 1,315.14 : x
  2. Step 2: Convert to fraction form
    3,507.54/5,259.87 = 1,315.14/x
  3. Step 3: Cross multiply
    3,507.54x = 5,259.87 × 1,315.14
  4. Step 4: Simplify right side
    3,507.54x = 6,917,465.43
  5. Step 5: Solve for x
    x = 6,917,465.43/3,507.54
  6. Step 6: Final answer
    x = 1,972.17

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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.