Home / 3,487.52-4,812.75-1,894.16

Finding the Fourth Proportional to 3,487.52, 4,812.75 and 1,894.16

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Solution

The fourth proportional to 3,487.52, 4,812.75 and 1,894.16 is: 2,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.52 : 4,812.75 = 1,894.16 : x
  2. Step 2: Convert to fraction form
    3,487.52/4,812.75 = 1,894.16/x
  3. Step 3: Cross multiply
    3,487.52x = 4,812.75 × 1,894.16
  4. Step 4: Simplify right side
    3,487.52x = 9,116,099.21
  5. Step 5: Solve for x
    x = 9,116,099.21/3,487.52
  6. Step 6: Final answer
    x = 2,613.92

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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.