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Finding the Fourth Proportional to 1,495.03, 2,239.46 and 876.86

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Solution

The fourth proportional to 1,495.03, 2,239.46 and 876.86 is: 1,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.03 : 2,239.46 = 876.86 : x
  2. Step 2: Convert to fraction form
    1,495.03/2,239.46 = 876.86/x
  3. Step 3: Cross multiply
    1,495.03x = 2,239.46 × 876.86
  4. Step 4: Simplify right side
    1,495.03x = 1,963,692.90
  5. Step 5: Solve for x
    x = 1,963,692.90/1,495.03
  6. Step 6: Final answer
    x = 1,313.48

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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.