Home / 3,525.78-4,867.79-2,269.02

Finding the Fourth Proportional to 3,525.78, 4,867.79 and 2,269.02

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Solution

The fourth proportional to 3,525.78, 4,867.79 and 2,269.02 is: 3,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.78 : 4,867.79 = 2,269.02 : x
  2. Step 2: Convert to fraction form
    3,525.78/4,867.79 = 2,269.02/x
  3. Step 3: Cross multiply
    3,525.78x = 4,867.79 × 2,269.02
  4. Step 4: Simplify right side
    3,525.78x = 11,045,087.55
  5. Step 5: Solve for x
    x = 11,045,087.55/3,525.78
  6. Step 6: Final answer
    x = 3,132.67

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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.