Home / 2,463.19-3,399.20-1,678.60

Finding the Fourth Proportional to 2,463.19, 3,399.20 and 1,678.60

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Solution

The fourth proportional to 2,463.19, 3,399.20 and 1,678.60 is: 2,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463.19 : 3,399.20 = 1,678.60 : x
  2. Step 2: Convert to fraction form
    2,463.19/3,399.20 = 1,678.60/x
  3. Step 3: Cross multiply
    2,463.19x = 3,399.20 × 1,678.60
  4. Step 4: Simplify right side
    2,463.19x = 5,705,899.27
  5. Step 5: Solve for x
    x = 5,705,899.27/2,463.19
  6. Step 6: Final answer
    x = 2,316.47

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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.