Home / 1,851.89-2,774.76-1,301.38

Finding the Fourth Proportional to 1,851.89, 2,774.76 and 1,301.38

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Solution

The fourth proportional to 1,851.89, 2,774.76 and 1,301.38 is: 1,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.89 : 2,774.76 = 1,301.38 : x
  2. Step 2: Convert to fraction form
    1,851.89/2,774.76 = 1,301.38/x
  3. Step 3: Cross multiply
    1,851.89x = 2,774.76 × 1,301.38
  4. Step 4: Simplify right side
    1,851.89x = 3,611,009.25
  5. Step 5: Solve for x
    x = 3,611,009.25/1,851.89
  6. Step 6: Final answer
    x = 1,949.91

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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.