Home / 2,376.72-3,558.24-1,678.32

Finding the Fourth Proportional to 2,376.72, 3,558.24 and 1,678.32

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Solution

The fourth proportional to 2,376.72, 3,558.24 and 1,678.32 is: 2,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.72 : 3,558.24 = 1,678.32 : x
  2. Step 2: Convert to fraction form
    2,376.72/3,558.24 = 1,678.32/x
  3. Step 3: Cross multiply
    2,376.72x = 3,558.24 × 1,678.32
  4. Step 4: Simplify right side
    2,376.72x = 5,971,865.36
  5. Step 5: Solve for x
    x = 5,971,865.36/2,376.72
  6. Step 6: Final answer
    x = 2,512.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.