Home / 3,465.87-5,199.57-1,126.02

Finding the Fourth Proportional to 3,465.87, 5,199.57 and 1,126.02

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Solution

The fourth proportional to 3,465.87, 5,199.57 and 1,126.02 is: 1,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.87 : 5,199.57 = 1,126.02 : x
  2. Step 2: Convert to fraction form
    3,465.87/5,199.57 = 1,126.02/x
  3. Step 3: Cross multiply
    3,465.87x = 5,199.57 × 1,126.02
  4. Step 4: Simplify right side
    3,465.87x = 5,854,819.81
  5. Step 5: Solve for x
    x = 5,854,819.81/3,465.87
  6. Step 6: Final answer
    x = 1,689.28

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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.