Home / 2,389.88-3,555.91-2,330.36

Finding the Fourth Proportional to 2,389.88, 3,555.91 and 2,330.36

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Solution

The fourth proportional to 2,389.88, 3,555.91 and 2,330.36 is: 3,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.88 : 3,555.91 = 2,330.36 : x
  2. Step 2: Convert to fraction form
    2,389.88/3,555.91 = 2,330.36/x
  3. Step 3: Cross multiply
    2,389.88x = 3,555.91 × 2,330.36
  4. Step 4: Simplify right side
    2,389.88x = 8,286,550.43
  5. Step 5: Solve for x
    x = 8,286,550.43/2,389.88
  6. Step 6: Final answer
    x = 3,467.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.