Home / 3,522.96-5,280.48-1,672.56

Finding the Fourth Proportional to 3,522.96, 5,280.48 and 1,672.56

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Solution

The fourth proportional to 3,522.96, 5,280.48 and 1,672.56 is: 2,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.96 : 5,280.48 = 1,672.56 : x
  2. Step 2: Convert to fraction form
    3,522.96/5,280.48 = 1,672.56/x
  3. Step 3: Cross multiply
    3,522.96x = 5,280.48 × 1,672.56
  4. Step 4: Simplify right side
    3,522.96x = 8,831,919.63
  5. Step 5: Solve for x
    x = 8,831,919.63/3,522.96
  6. Step 6: Final answer
    x = 2,506.96

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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.