Home / 2,623.14-3,618.72-1,678.48

Finding the Fourth Proportional to 2,623.14, 3,618.72 and 1,678.48

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Solution

The fourth proportional to 2,623.14, 3,618.72 and 1,678.48 is: 2,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.14 : 3,618.72 = 1,678.48 : x
  2. Step 2: Convert to fraction form
    2,623.14/3,618.72 = 1,678.48/x
  3. Step 3: Cross multiply
    2,623.14x = 3,618.72 × 1,678.48
  4. Step 4: Simplify right side
    2,623.14x = 6,073,949.15
  5. Step 5: Solve for x
    x = 6,073,949.15/2,623.14
  6. Step 6: Final answer
    x = 2,315.53

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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.