Home / 3,148.28-4,722.11-957.03

Finding the Fourth Proportional to 3,148.28, 4,722.11 and 957.03

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Solution

The fourth proportional to 3,148.28, 4,722.11 and 957.03 is: 1,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.28 : 4,722.11 = 957.03 : x
  2. Step 2: Convert to fraction form
    3,148.28/4,722.11 = 957.03/x
  3. Step 3: Cross multiply
    3,148.28x = 4,722.11 × 957.03
  4. Step 4: Simplify right side
    3,148.28x = 4,519,200.93
  5. Step 5: Solve for x
    x = 4,519,200.93/3,148.28
  6. Step 6: Final answer
    x = 1,435.45

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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.