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Finding the Fourth Proportional to 3,036.89, 4,554.95 and 845.79

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Solution

The fourth proportional to 3,036.89, 4,554.95 and 845.79 is: 1,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.89 : 4,554.95 = 845.79 : x
  2. Step 2: Convert to fraction form
    3,036.89/4,554.95 = 845.79/x
  3. Step 3: Cross multiply
    3,036.89x = 4,554.95 × 845.79
  4. Step 4: Simplify right side
    3,036.89x = 3,852,531.16
  5. Step 5: Solve for x
    x = 3,852,531.16/3,036.89
  6. Step 6: Final answer
    x = 1,268.58

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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.