Home / 3,748.54-5,172.93-2,070.11

Finding the Fourth Proportional to 3,748.54, 5,172.93 and 2,070.11

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Solution

The fourth proportional to 3,748.54, 5,172.93 and 2,070.11 is: 2,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.54 : 5,172.93 = 2,070.11 : x
  2. Step 2: Convert to fraction form
    3,748.54/5,172.93 = 2,070.11/x
  3. Step 3: Cross multiply
    3,748.54x = 5,172.93 × 2,070.11
  4. Step 4: Simplify right side
    3,748.54x = 10,708,534.12
  5. Step 5: Solve for x
    x = 10,708,534.12/3,748.54
  6. Step 6: Final answer
    x = 2,856.72

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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.