Home / 3,487.22-4,812.31-1,954.14

Finding the Fourth Proportional to 3,487.22, 4,812.31 and 1,954.14

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Solution

The fourth proportional to 3,487.22, 4,812.31 and 1,954.14 is: 2,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.22 : 4,812.31 = 1,954.14 : x
  2. Step 2: Convert to fraction form
    3,487.22/4,812.31 = 1,954.14/x
  3. Step 3: Cross multiply
    3,487.22x = 4,812.31 × 1,954.14
  4. Step 4: Simplify right side
    3,487.22x = 9,403,927.46
  5. Step 5: Solve for x
    x = 9,403,927.46/3,487.22
  6. Step 6: Final answer
    x = 2,696.68

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1.5x scale

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.