Home / 3,688.67-5,096.84-2,948.74

Finding the Fourth Proportional to 3,688.67, 5,096.84 and 2,948.74

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Solution

The fourth proportional to 3,688.67, 5,096.84 and 2,948.74 is: 4,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.67 : 5,096.84 = 2,948.74 : x
  2. Step 2: Convert to fraction form
    3,688.67/5,096.84 = 2,948.74/x
  3. Step 3: Cross multiply
    3,688.67x = 5,096.84 × 2,948.74
  4. Step 4: Simplify right side
    3,688.67x = 15,029,255.98
  5. Step 5: Solve for x
    x = 15,029,255.98/3,688.67
  6. Step 6: Final answer
    x = 4,074.44

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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.