Home / 1,918.68-2,883.57-1,273.53

Finding the Fourth Proportional to 1,918.68, 2,883.57 and 1,273.53

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Solution

The fourth proportional to 1,918.68, 2,883.57 and 1,273.53 is: 1,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918.68 : 2,883.57 = 1,273.53 : x
  2. Step 2: Convert to fraction form
    1,918.68/2,883.57 = 1,273.53/x
  3. Step 3: Cross multiply
    1,918.68x = 2,883.57 × 1,273.53
  4. Step 4: Simplify right side
    1,918.68x = 3,672,312.90
  5. Step 5: Solve for x
    x = 3,672,312.90/1,918.68
  6. Step 6: Final answer
    x = 1,913.98

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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.