Home / 1,814.64-2,503.65-1,028.55

Finding the Fourth Proportional to 1,814.64, 2,503.65 and 1,028.55

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Solution

The fourth proportional to 1,814.64, 2,503.65 and 1,028.55 is: 1,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.64 : 2,503.65 = 1,028.55 : x
  2. Step 2: Convert to fraction form
    1,814.64/2,503.65 = 1,028.55/x
  3. Step 3: Cross multiply
    1,814.64x = 2,503.65 × 1,028.55
  4. Step 4: Simplify right side
    1,814.64x = 2,575,129.21
  5. Step 5: Solve for x
    x = 2,575,129.21/1,814.64
  6. Step 6: Final answer
    x = 1,419.09

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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.