Home / 2,814.16-4,214.88-1,354.40

Finding the Fourth Proportional to 2,814.16, 4,214.88 and 1,354.40

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Solution

The fourth proportional to 2,814.16, 4,214.88 and 1,354.40 is: 2,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.16 : 4,214.88 = 1,354.40 : x
  2. Step 2: Convert to fraction form
    2,814.16/4,214.88 = 1,354.40/x
  3. Step 3: Cross multiply
    2,814.16x = 4,214.88 × 1,354.40
  4. Step 4: Simplify right side
    2,814.16x = 5,708,633.47
  5. Step 5: Solve for x
    x = 5,708,633.47/2,814.16
  6. Step 6: Final answer
    x = 2,028.54

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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.