Home / 3,307.14-4,954.10-1,990.17

Finding the Fourth Proportional to 3,307.14, 4,954.10 and 1,990.17

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Solution

The fourth proportional to 3,307.14, 4,954.10 and 1,990.17 is: 2,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.14 : 4,954.10 = 1,990.17 : x
  2. Step 2: Convert to fraction form
    3,307.14/4,954.10 = 1,990.17/x
  3. Step 3: Cross multiply
    3,307.14x = 4,954.10 × 1,990.17
  4. Step 4: Simplify right side
    3,307.14x = 9,859,466.48
  5. Step 5: Solve for x
    x = 9,859,466.48/3,307.14
  6. Step 6: Final answer
    x = 2,981.27

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1.5x scale

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.