Home / 2,045.93-3,072.02-1,961.69

Finding the Fourth Proportional to 2,045.93, 3,072.02 and 1,961.69

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Solution

The fourth proportional to 2,045.93, 3,072.02 and 1,961.69 is: 2,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.93 : 3,072.02 = 1,961.69 : x
  2. Step 2: Convert to fraction form
    2,045.93/3,072.02 = 1,961.69/x
  3. Step 3: Cross multiply
    2,045.93x = 3,072.02 × 1,961.69
  4. Step 4: Simplify right side
    2,045.93x = 6,026,325.75
  5. Step 5: Solve for x
    x = 6,026,325.75/2,045.93
  6. Step 6: Final answer
    x = 2,945.53

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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.