Home / 3,261.03-4,885.43-1,615.65

Finding the Fourth Proportional to 3,261.03, 4,885.43 and 1,615.65

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Solution

The fourth proportional to 3,261.03, 4,885.43 and 1,615.65 is: 2,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.03 : 4,885.43 = 1,615.65 : x
  2. Step 2: Convert to fraction form
    3,261.03/4,885.43 = 1,615.65/x
  3. Step 3: Cross multiply
    3,261.03x = 4,885.43 × 1,615.65
  4. Step 4: Simplify right side
    3,261.03x = 7,893,136.90
  5. Step 5: Solve for x
    x = 7,893,136.90/3,261.03
  6. Step 6: Final answer
    x = 2,420.44

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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.