Home / 3,325.15-4,987.74-3,122.17

Finding the Fourth Proportional to 3,325.15, 4,987.74 and 3,122.17

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Solution

The fourth proportional to 3,325.15, 4,987.74 and 3,122.17 is: 4,683.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.15 : 4,987.74 = 3,122.17 : x
  2. Step 2: Convert to fraction form
    3,325.15/4,987.74 = 3,122.17/x
  3. Step 3: Cross multiply
    3,325.15x = 4,987.74 × 3,122.17
  4. Step 4: Simplify right side
    3,325.15x = 15,572,556.58
  5. Step 5: Solve for x
    x = 15,572,556.58/3,325.15
  6. Step 6: Final answer
    x = 4,683.26

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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.