Home / 3,579.64-5,368.52-1,113.19

Finding the Fourth Proportional to 3,579.64, 5,368.52 and 1,113.19

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Solution

The fourth proportional to 3,579.64, 5,368.52 and 1,113.19 is: 1,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.64 : 5,368.52 = 1,113.19 : x
  2. Step 2: Convert to fraction form
    3,579.64/5,368.52 = 1,113.19/x
  3. Step 3: Cross multiply
    3,579.64x = 5,368.52 × 1,113.19
  4. Step 4: Simplify right side
    3,579.64x = 5,976,172.14
  5. Step 5: Solve for x
    x = 5,976,172.14/3,579.64
  6. Step 6: Final answer
    x = 1,669.49

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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.