Home / 2,814.90-4,239.11-2,454.05

Finding the Fourth Proportional to 2,814.90, 4,239.11 and 2,454.05

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Solution

The fourth proportional to 2,814.90, 4,239.11 and 2,454.05 is: 3,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.90 : 4,239.11 = 2,454.05 : x
  2. Step 2: Convert to fraction form
    2,814.90/4,239.11 = 2,454.05/x
  3. Step 3: Cross multiply
    2,814.90x = 4,239.11 × 2,454.05
  4. Step 4: Simplify right side
    2,814.90x = 10,402,954.43
  5. Step 5: Solve for x
    x = 10,402,954.43/2,814.90
  6. Step 6: Final answer
    x = 3,695.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.