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Finding the Fourth Proportional to 2,050.74, 3,076.16 and 734.58

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Solution

The fourth proportional to 2,050.74, 3,076.16 and 734.58 is: 1,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.74 : 3,076.16 = 734.58 : x
  2. Step 2: Convert to fraction form
    2,050.74/3,076.16 = 734.58/x
  3. Step 3: Cross multiply
    2,050.74x = 3,076.16 × 734.58
  4. Step 4: Simplify right side
    2,050.74x = 2,259,696.23
  5. Step 5: Solve for x
    x = 2,259,696.23/2,050.74
  6. Step 6: Final answer
    x = 1,101.89

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1.5x scale

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.