Home / 3,579.36-5,369.18-1,114.40

Finding the Fourth Proportional to 3,579.36, 5,369.18 and 1,114.40

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Solution

The fourth proportional to 3,579.36, 5,369.18 and 1,114.40 is: 1,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.36 : 5,369.18 = 1,114.40 : x
  2. Step 2: Convert to fraction form
    3,579.36/5,369.18 = 1,114.40/x
  3. Step 3: Cross multiply
    3,579.36x = 5,369.18 × 1,114.40
  4. Step 4: Simplify right side
    3,579.36x = 5,983,381.77
  5. Step 5: Solve for x
    x = 5,983,381.77/3,579.36
  6. Step 6: Final answer
    x = 1,671.63

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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.