Home / 3,316.94-4,975.10-1,125.56

Finding the Fourth Proportional to 3,316.94, 4,975.10 and 1,125.56

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Solution

The fourth proportional to 3,316.94, 4,975.10 and 1,125.56 is: 1,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.94 : 4,975.10 = 1,125.56 : x
  2. Step 2: Convert to fraction form
    3,316.94/4,975.10 = 1,125.56/x
  3. Step 3: Cross multiply
    3,316.94x = 4,975.10 × 1,125.56
  4. Step 4: Simplify right side
    3,316.94x = 5,599,773.56
  5. Step 5: Solve for x
    x = 5,599,773.56/3,316.94
  6. Step 6: Final answer
    x = 1,688.23

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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.