Home / 2,678.91-4,011.45-1,848.54

Finding the Fourth Proportional to 2,678.91, 4,011.45 and 1,848.54

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Solution

The fourth proportional to 2,678.91, 4,011.45 and 1,848.54 is: 2,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.91 : 4,011.45 = 1,848.54 : x
  2. Step 2: Convert to fraction form
    2,678.91/4,011.45 = 1,848.54/x
  3. Step 3: Cross multiply
    2,678.91x = 4,011.45 × 1,848.54
  4. Step 4: Simplify right side
    2,678.91x = 7,415,325.78
  5. Step 5: Solve for x
    x = 7,415,325.78/2,678.91
  6. Step 6: Final answer
    x = 2,768.04

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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.