Home / 3,172.42-4,748.63-2,838.09

Finding the Fourth Proportional to 3,172.42, 4,748.63 and 2,838.09

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Solution

The fourth proportional to 3,172.42, 4,748.63 and 2,838.09 is: 4,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.42 : 4,748.63 = 2,838.09 : x
  2. Step 2: Convert to fraction form
    3,172.42/4,748.63 = 2,838.09/x
  3. Step 3: Cross multiply
    3,172.42x = 4,748.63 × 2,838.09
  4. Step 4: Simplify right side
    3,172.42x = 13,477,056.19
  5. Step 5: Solve for x
    x = 13,477,056.19/3,172.42
  6. Step 6: Final answer
    x = 4,248.19

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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.