Home / 2,388.99-3,296.80-1,341.06

Finding the Fourth Proportional to 2,388.99, 3,296.80 and 1,341.06

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Solution

The fourth proportional to 2,388.99, 3,296.80 and 1,341.06 is: 1,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.99 : 3,296.80 = 1,341.06 : x
  2. Step 2: Convert to fraction form
    2,388.99/3,296.80 = 1,341.06/x
  3. Step 3: Cross multiply
    2,388.99x = 3,296.80 × 1,341.06
  4. Step 4: Simplify right side
    2,388.99x = 4,421,195.92
  5. Step 5: Solve for x
    x = 4,421,195.92/2,388.99
  6. Step 6: Final answer
    x = 1,850.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.