Home / 3,316.55-4,975.27-1,124.69

Finding the Fourth Proportional to 3,316.55, 4,975.27 and 1,124.69

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Solution

The fourth proportional to 3,316.55, 4,975.27 and 1,124.69 is: 1,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.55 : 4,975.27 = 1,124.69 : x
  2. Step 2: Convert to fraction form
    3,316.55/4,975.27 = 1,124.69/x
  3. Step 3: Cross multiply
    3,316.55x = 4,975.27 × 1,124.69
  4. Step 4: Simplify right side
    3,316.55x = 5,595,646.04
  5. Step 5: Solve for x
    x = 5,595,646.04/3,316.55
  6. Step 6: Final answer
    x = 1,687.19

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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.