Home / 3,487.50-4,812.62-1,894.08

Finding the Fourth Proportional to 3,487.50, 4,812.62 and 1,894.08

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Solution

The fourth proportional to 3,487.50, 4,812.62 and 1,894.08 is: 2,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.50 : 4,812.62 = 1,894.08 : x
  2. Step 2: Convert to fraction form
    3,487.50/4,812.62 = 1,894.08/x
  3. Step 3: Cross multiply
    3,487.50x = 4,812.62 × 1,894.08
  4. Step 4: Simplify right side
    3,487.50x = 9,115,487.29
  5. Step 5: Solve for x
    x = 9,115,487.29/3,487.50
  6. Step 6: Final answer
    x = 2,613.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.