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Finding the Fourth Proportional to 1,776.84, 2,659.50 and 1,584.84

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Solution

The fourth proportional to 1,776.84, 2,659.50 and 1,584.84 is: 2,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.84 : 2,659.50 = 1,584.84 : x
  2. Step 2: Convert to fraction form
    1,776.84/2,659.50 = 1,584.84/x
  3. Step 3: Cross multiply
    1,776.84x = 2,659.50 × 1,584.84
  4. Step 4: Simplify right side
    1,776.84x = 4,214,881.98
  5. Step 5: Solve for x
    x = 4,214,881.98/1,776.84
  6. Step 6: Final answer
    x = 2,372.12

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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.