Home / 3,616.37-5,424.55-1,307.87

Finding the Fourth Proportional to 3,616.37, 5,424.55 and 1,307.87

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Solution

The fourth proportional to 3,616.37, 5,424.55 and 1,307.87 is: 1,961.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.37 : 5,424.55 = 1,307.87 : x
  2. Step 2: Convert to fraction form
    3,616.37/5,424.55 = 1,307.87/x
  3. Step 3: Cross multiply
    3,616.37x = 5,424.55 × 1,307.87
  4. Step 4: Simplify right side
    3,616.37x = 7,094,579.09
  5. Step 5: Solve for x
    x = 7,094,579.09/3,616.37
  6. Step 6: Final answer
    x = 1,961.80

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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.