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Finding the Fourth Proportional to 2,480.81, 3,720.50 and 1,700.67

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Solution

The fourth proportional to 2,480.81, 3,720.50 and 1,700.67 is: 2,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.81 : 3,720.50 = 1,700.67 : x
  2. Step 2: Convert to fraction form
    2,480.81/3,720.50 = 1,700.67/x
  3. Step 3: Cross multiply
    2,480.81x = 3,720.50 × 1,700.67
  4. Step 4: Simplify right side
    2,480.81x = 6,327,334.23
  5. Step 5: Solve for x
    x = 6,327,334.23/2,480.81
  6. Step 6: Final answer
    x = 2,550.52

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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.