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Finding the Fourth Proportional to 3,095.79, 4,271.42 and 1,836.79

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Solution

The fourth proportional to 3,095.79, 4,271.42 and 1,836.79 is: 2,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.79 : 4,271.42 = 1,836.79 : x
  2. Step 2: Convert to fraction form
    3,095.79/4,271.42 = 1,836.79/x
  3. Step 3: Cross multiply
    3,095.79x = 4,271.42 × 1,836.79
  4. Step 4: Simplify right side
    3,095.79x = 7,845,701.54
  5. Step 5: Solve for x
    x = 7,845,701.54/3,095.79
  6. Step 6: Final answer
    x = 2,534.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.