Home / 3,522.12-4,849.80-3,077.44

Finding the Fourth Proportional to 3,522.12, 4,849.80 and 3,077.44

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Solution

The fourth proportional to 3,522.12, 4,849.80 and 3,077.44 is: 4,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.12 : 4,849.80 = 3,077.44 : x
  2. Step 2: Convert to fraction form
    3,522.12/4,849.80 = 3,077.44/x
  3. Step 3: Cross multiply
    3,522.12x = 4,849.80 × 3,077.44
  4. Step 4: Simplify right side
    3,522.12x = 14,924,968.51
  5. Step 5: Solve for x
    x = 14,924,968.51/3,522.12
  6. Step 6: Final answer
    x = 4,237.50

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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.