Home / 2,950.12-4,070.28-1,954.36

Finding the Fourth Proportional to 2,950.12, 4,070.28 and 1,954.36

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Solution

The fourth proportional to 2,950.12, 4,070.28 and 1,954.36 is: 2,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.12 : 4,070.28 = 1,954.36 : x
  2. Step 2: Convert to fraction form
    2,950.12/4,070.28 = 1,954.36/x
  3. Step 3: Cross multiply
    2,950.12x = 4,070.28 × 1,954.36
  4. Step 4: Simplify right side
    2,950.12x = 7,954,792.42
  5. Step 5: Solve for x
    x = 7,954,792.42/2,950.12
  6. Step 6: Final answer
    x = 2,696.43

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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.