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Finding the Fourth Proportional to 1,584.38, 2,376.82 and 895.47

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Solution

The fourth proportional to 1,584.38, 2,376.82 and 895.47 is: 1,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.38 : 2,376.82 = 895.47 : x
  2. Step 2: Convert to fraction form
    1,584.38/2,376.82 = 895.47/x
  3. Step 3: Cross multiply
    1,584.38x = 2,376.82 × 895.47
  4. Step 4: Simplify right side
    1,584.38x = 2,128,384.74
  5. Step 5: Solve for x
    x = 2,128,384.74/1,584.38
  6. Step 6: Final answer
    x = 1,343.36

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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.