Home / 4,102.45-6,154.28-2,154.80

Finding the Fourth Proportional to 4,102.45, 6,154.28 and 2,154.80

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Solution

The fourth proportional to 4,102.45, 6,154.28 and 2,154.80 is: 3,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.45 : 6,154.28 = 2,154.80 : x
  2. Step 2: Convert to fraction form
    4,102.45/6,154.28 = 2,154.80/x
  3. Step 3: Cross multiply
    4,102.45x = 6,154.28 × 2,154.80
  4. Step 4: Simplify right side
    4,102.45x = 13,261,231.77
  5. Step 5: Solve for x
    x = 13,261,231.77/4,102.45
  6. Step 6: Final answer
    x = 3,232.52

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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.