Home / 3,593.20-5,389.80-1,128.23

Finding the Fourth Proportional to 3,593.20, 5,389.80 and 1,128.23

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Solution

The fourth proportional to 3,593.20, 5,389.80 and 1,128.23 is: 1,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.20 : 5,389.80 = 1,128.23 : x
  2. Step 2: Convert to fraction form
    3,593.20/5,389.80 = 1,128.23/x
  3. Step 3: Cross multiply
    3,593.20x = 5,389.80 × 1,128.23
  4. Step 4: Simplify right side
    3,593.20x = 6,080,928.41
  5. Step 5: Solve for x
    x = 6,080,928.41/3,593.20
  6. Step 6: Final answer
    x = 1,692.35

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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.