Home / 3,630.81-5,011.13-2,745.08

Finding the Fourth Proportional to 3,630.81, 5,011.13 and 2,745.08

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Solution

The fourth proportional to 3,630.81, 5,011.13 and 2,745.08 is: 3,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.81 : 5,011.13 = 2,745.08 : x
  2. Step 2: Convert to fraction form
    3,630.81/5,011.13 = 2,745.08/x
  3. Step 3: Cross multiply
    3,630.81x = 5,011.13 × 2,745.08
  4. Step 4: Simplify right side
    3,630.81x = 13,755,952.74
  5. Step 5: Solve for x
    x = 13,755,952.74/3,630.81
  6. Step 6: Final answer
    x = 3,788.67

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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.