Home / 3,588.50-5,384.78-1,396.95

Finding the Fourth Proportional to 3,588.50, 5,384.78 and 1,396.95

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Solution

The fourth proportional to 3,588.50, 5,384.78 and 1,396.95 is: 2,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.50 : 5,384.78 = 1,396.95 : x
  2. Step 2: Convert to fraction form
    3,588.50/5,384.78 = 1,396.95/x
  3. Step 3: Cross multiply
    3,588.50x = 5,384.78 × 1,396.95
  4. Step 4: Simplify right side
    3,588.50x = 7,522,261.44
  5. Step 5: Solve for x
    x = 7,522,261.44/3,588.50
  6. Step 6: Final answer
    x = 2,096.22

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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.