Home / 2,388.50-3,296.14-1,340.58

Finding the Fourth Proportional to 2,388.50, 3,296.14 and 1,340.58

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Solution

The fourth proportional to 2,388.50, 3,296.14 and 1,340.58 is: 1,850.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.50 : 3,296.14 = 1,340.58 : x
  2. Step 2: Convert to fraction form
    2,388.50/3,296.14 = 1,340.58/x
  3. Step 3: Cross multiply
    2,388.50x = 3,296.14 × 1,340.58
  4. Step 4: Simplify right side
    2,388.50x = 4,418,739.36
  5. Step 5: Solve for x
    x = 4,418,739.36/2,388.50
  6. Step 6: Final answer
    x = 1,850.01

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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.