Home / 3,587.90-5,394.14-3,317.25

Finding the Fourth Proportional to 3,587.90, 5,394.14 and 3,317.25

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Solution

The fourth proportional to 3,587.90, 5,394.14 and 3,317.25 is: 4,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.90 : 5,394.14 = 3,317.25 : x
  2. Step 2: Convert to fraction form
    3,587.90/5,394.14 = 3,317.25/x
  3. Step 3: Cross multiply
    3,587.90x = 5,394.14 × 3,317.25
  4. Step 4: Simplify right side
    3,587.90x = 17,893,745.66
  5. Step 5: Solve for x
    x = 17,893,745.66/3,587.90
  6. Step 6: Final answer
    x = 4,987.25

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1.5x scale

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.