Home / 3,530.70-4,866.72-2,783.42

Finding the Fourth Proportional to 3,530.70, 4,866.72 and 2,783.42

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Solution

The fourth proportional to 3,530.70, 4,866.72 and 2,783.42 is: 3,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.70 : 4,866.72 = 2,783.42 : x
  2. Step 2: Convert to fraction form
    3,530.70/4,866.72 = 2,783.42/x
  3. Step 3: Cross multiply
    3,530.70x = 4,866.72 × 2,783.42
  4. Step 4: Simplify right side
    3,530.70x = 13,546,125.78
  5. Step 5: Solve for x
    x = 13,546,125.78/3,530.70
  6. Step 6: Final answer
    x = 3,836.67

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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.