Home / 3,917.01-5,875.85-1,284.50

Finding the Fourth Proportional to 3,917.01, 5,875.85 and 1,284.50

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Solution

The fourth proportional to 3,917.01, 5,875.85 and 1,284.50 is: 1,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.01 : 5,875.85 = 1,284.50 : x
  2. Step 2: Convert to fraction form
    3,917.01/5,875.85 = 1,284.50/x
  3. Step 3: Cross multiply
    3,917.01x = 5,875.85 × 1,284.50
  4. Step 4: Simplify right side
    3,917.01x = 7,547,523.47
  5. Step 5: Solve for x
    x = 7,547,523.47/3,917.01
  6. Step 6: Final answer
    x = 1,926.86

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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.