Home / 3,748.68-5,623.86-1,440.12

Finding the Fourth Proportional to 3,748.68, 5,623.86 and 1,440.12

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Solution

The fourth proportional to 3,748.68, 5,623.86 and 1,440.12 is: 2,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.68 : 5,623.86 = 1,440.12 : x
  2. Step 2: Convert to fraction form
    3,748.68/5,623.86 = 1,440.12/x
  3. Step 3: Cross multiply
    3,748.68x = 5,623.86 × 1,440.12
  4. Step 4: Simplify right side
    3,748.68x = 8,099,033.26
  5. Step 5: Solve for x
    x = 8,099,033.26/3,748.68
  6. Step 6: Final answer
    x = 2,160.50

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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.