Home / 2,389.20-3,601.26-2,290.32

Finding the Fourth Proportional to 2,389.20, 3,601.26 and 2,290.32

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Solution

The fourth proportional to 2,389.20, 3,601.26 and 2,290.32 is: 3,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.20 : 3,601.26 = 2,290.32 : x
  2. Step 2: Convert to fraction form
    2,389.20/3,601.26 = 2,290.32/x
  3. Step 3: Cross multiply
    2,389.20x = 3,601.26 × 2,290.32
  4. Step 4: Simplify right side
    2,389.20x = 8,248,037.80
  5. Step 5: Solve for x
    x = 8,248,037.80/2,389.20
  6. Step 6: Final answer
    x = 3,452.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.