Home / 2,610.75-3,603.65-1,679.25

Finding the Fourth Proportional to 2,610.75, 3,603.65 and 1,679.25

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Solution

The fourth proportional to 2,610.75, 3,603.65 and 1,679.25 is: 2,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.75 : 3,603.65 = 1,679.25 : x
  2. Step 2: Convert to fraction form
    2,610.75/3,603.65 = 1,679.25/x
  3. Step 3: Cross multiply
    2,610.75x = 3,603.65 × 1,679.25
  4. Step 4: Simplify right side
    2,610.75x = 6,051,420.87
  5. Step 5: Solve for x
    x = 6,051,420.87/2,610.75
  6. Step 6: Final answer
    x = 2,317.89

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1.5x scale

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.