Home / 1,948.15-2,917.56-1,419.64

Finding the Fourth Proportional to 1,948.15, 2,917.56 and 1,419.64

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Solution

The fourth proportional to 1,948.15, 2,917.56 and 1,419.64 is: 2,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.15 : 2,917.56 = 1,419.64 : x
  2. Step 2: Convert to fraction form
    1,948.15/2,917.56 = 1,419.64/x
  3. Step 3: Cross multiply
    1,948.15x = 2,917.56 × 1,419.64
  4. Step 4: Simplify right side
    1,948.15x = 4,141,889.17
  5. Step 5: Solve for x
    x = 4,141,889.17/1,948.15
  6. Step 6: Final answer
    x = 2,126.06

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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.