Home / 3,360.38-5,043-1,513.58

Finding the Fourth Proportional to 3,360.38, 5,043 and 1,513.58

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Solution

The fourth proportional to 3,360.38, 5,043 and 1,513.58 is: 2,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.38 : 5,043 = 1,513.58 : x
  2. Step 2: Convert to fraction form
    3,360.38/5,043 = 1,513.58/x
  3. Step 3: Cross multiply
    3,360.38x = 5,043 × 1,513.58
  4. Step 4: Simplify right side
    3,360.38x = 7,632,983.94
  5. Step 5: Solve for x
    x = 7,632,983.94/3,360.38
  6. Step 6: Final answer
    x = 2,271.46

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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.