Home / 3,610.98-4,979.07-2,430

Finding the Fourth Proportional to 3,610.98, 4,979.07 and 2,430

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Solution

The fourth proportional to 3,610.98, 4,979.07 and 2,430 is: 3,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.98 : 4,979.07 = 2,430 : x
  2. Step 2: Convert to fraction form
    3,610.98/4,979.07 = 2,430/x
  3. Step 3: Cross multiply
    3,610.98x = 4,979.07 × 2,430
  4. Step 4: Simplify right side
    3,610.98x = 12,099,140.10
  5. Step 5: Solve for x
    x = 12,099,140.10/3,610.98
  6. Step 6: Final answer
    x = 3,350.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.