Home / 2,480.13-3,720.08-836.67

Finding the Fourth Proportional to 2,480.13, 3,720.08 and 836.67

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Solution

The fourth proportional to 2,480.13, 3,720.08 and 836.67 is: 1,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.13 : 3,720.08 = 836.67 : x
  2. Step 2: Convert to fraction form
    2,480.13/3,720.08 = 836.67/x
  3. Step 3: Cross multiply
    2,480.13x = 3,720.08 × 836.67
  4. Step 4: Simplify right side
    2,480.13x = 3,112,475.15
  5. Step 5: Solve for x
    x = 3,112,475.15/2,480.13
  6. Step 6: Final answer
    x = 1,254.96

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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.