Home / 2,996.28-4,133.58-1,948.44

Finding the Fourth Proportional to 2,996.28, 4,133.58 and 1,948.44

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Solution

The fourth proportional to 2,996.28, 4,133.58 and 1,948.44 is: 2,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.28 : 4,133.58 = 1,948.44 : x
  2. Step 2: Convert to fraction form
    2,996.28/4,133.58 = 1,948.44/x
  3. Step 3: Cross multiply
    2,996.28x = 4,133.58 × 1,948.44
  4. Step 4: Simplify right side
    2,996.28x = 8,054,032.62
  5. Step 5: Solve for x
    x = 8,054,032.62/2,996.28
  6. Step 6: Final answer
    x = 2,688.01

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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.