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Finding the Fourth Proportional to 2,984.71, 4,484.63 and 1,889.59

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Solution

The fourth proportional to 2,984.71, 4,484.63 and 1,889.59 is: 2,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.71 : 4,484.63 = 1,889.59 : x
  2. Step 2: Convert to fraction form
    2,984.71/4,484.63 = 1,889.59/x
  3. Step 3: Cross multiply
    2,984.71x = 4,484.63 × 1,889.59
  4. Step 4: Simplify right side
    2,984.71x = 8,474,112.00
  5. Step 5: Solve for x
    x = 8,474,112.00/2,984.71
  6. Step 6: Final answer
    x = 2,839.17

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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.