Home / 3,316.88-4,975.44-1,125.84

Finding the Fourth Proportional to 3,316.88, 4,975.44 and 1,125.84

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Solution

The fourth proportional to 3,316.88, 4,975.44 and 1,125.84 is: 1,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.88 : 4,975.44 = 1,125.84 : x
  2. Step 2: Convert to fraction form
    3,316.88/4,975.44 = 1,125.84/x
  3. Step 3: Cross multiply
    3,316.88x = 4,975.44 × 1,125.84
  4. Step 4: Simplify right side
    3,316.88x = 5,601,549.37
  5. Step 5: Solve for x
    x = 5,601,549.37/3,316.88
  6. Step 6: Final answer
    x = 1,688.80

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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.