Home / 2,798.35-3,860.53-1,603.13

Finding the Fourth Proportional to 2,798.35, 3,860.53 and 1,603.13

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Solution

The fourth proportional to 2,798.35, 3,860.53 and 1,603.13 is: 2,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.35 : 3,860.53 = 1,603.13 : x
  2. Step 2: Convert to fraction form
    2,798.35/3,860.53 = 1,603.13/x
  3. Step 3: Cross multiply
    2,798.35x = 3,860.53 × 1,603.13
  4. Step 4: Simplify right side
    2,798.35x = 6,188,908.15
  5. Step 5: Solve for x
    x = 6,188,908.15/2,798.35
  6. Step 6: Final answer
    x = 2,211.63

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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.