Home / 3,917.96-5,875.54-1,143.91

Finding the Fourth Proportional to 3,917.96, 5,875.54 and 1,143.91

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Solution

The fourth proportional to 3,917.96, 5,875.54 and 1,143.91 is: 1,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.96 : 5,875.54 = 1,143.91 : x
  2. Step 2: Convert to fraction form
    3,917.96/5,875.54 = 1,143.91/x
  3. Step 3: Cross multiply
    3,917.96x = 5,875.54 × 1,143.91
  4. Step 4: Simplify right side
    3,917.96x = 6,721,088.96
  5. Step 5: Solve for x
    x = 6,721,088.96/3,917.96
  6. Step 6: Final answer
    x = 1,715.46

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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.