Home / 2,917.44-4,368.36-1,678.52

Finding the Fourth Proportional to 2,917.44, 4,368.36 and 1,678.52

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Solution

The fourth proportional to 2,917.44, 4,368.36 and 1,678.52 is: 2,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.44 : 4,368.36 = 1,678.52 : x
  2. Step 2: Convert to fraction form
    2,917.44/4,368.36 = 1,678.52/x
  3. Step 3: Cross multiply
    2,917.44x = 4,368.36 × 1,678.52
  4. Step 4: Simplify right side
    2,917.44x = 7,332,379.63
  5. Step 5: Solve for x
    x = 7,332,379.63/2,917.44
  6. Step 6: Final answer
    x = 2,513.29

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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.