Home / 3,748.80-5,623.08-1,528.20

Finding the Fourth Proportional to 3,748.80, 5,623.08 and 1,528.20

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Solution

The fourth proportional to 3,748.80, 5,623.08 and 1,528.20 is: 2,292.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.80 : 5,623.08 = 1,528.20 : x
  2. Step 2: Convert to fraction form
    3,748.80/5,623.08 = 1,528.20/x
  3. Step 3: Cross multiply
    3,748.80x = 5,623.08 × 1,528.20
  4. Step 4: Simplify right side
    3,748.80x = 8,593,190.86
  5. Step 5: Solve for x
    x = 8,593,190.86/3,748.80
  6. Step 6: Final answer
    x = 2,292.25

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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.