Home / 1,653.15-2,480.91-1,337.31

Finding the Fourth Proportional to 1,653.15, 2,480.91 and 1,337.31

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Solution

The fourth proportional to 1,653.15, 2,480.91 and 1,337.31 is: 2,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.15 : 2,480.91 = 1,337.31 : x
  2. Step 2: Convert to fraction form
    1,653.15/2,480.91 = 1,337.31/x
  3. Step 3: Cross multiply
    1,653.15x = 2,480.91 × 1,337.31
  4. Step 4: Simplify right side
    1,653.15x = 3,317,745.75
  5. Step 5: Solve for x
    x = 3,317,745.75/1,653.15
  6. Step 6: Final answer
    x = 2,006.92

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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.