Home / 4,171.78-5,756.20-2,402.92

Finding the Fourth Proportional to 4,171.78, 5,756.20 and 2,402.92

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Solution

The fourth proportional to 4,171.78, 5,756.20 and 2,402.92 is: 3,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.78 : 5,756.20 = 2,402.92 : x
  2. Step 2: Convert to fraction form
    4,171.78/5,756.20 = 2,402.92/x
  3. Step 3: Cross multiply
    4,171.78x = 5,756.20 × 2,402.92
  4. Step 4: Simplify right side
    4,171.78x = 13,831,688.10
  5. Step 5: Solve for x
    x = 13,831,688.10/4,171.78
  6. Step 6: Final answer
    x = 3,315.54

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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.