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Finding the Fourth Proportional to 2,891.63, 4,334.65 and 1,848.69

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Solution

The fourth proportional to 2,891.63, 4,334.65 and 1,848.69 is: 2,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.63 : 4,334.65 = 1,848.69 : x
  2. Step 2: Convert to fraction form
    2,891.63/4,334.65 = 1,848.69/x
  3. Step 3: Cross multiply
    2,891.63x = 4,334.65 × 1,848.69
  4. Step 4: Simplify right side
    2,891.63x = 8,013,419.49
  5. Step 5: Solve for x
    x = 8,013,419.49/2,891.63
  6. Step 6: Final answer
    x = 2,771.24

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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.