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Finding the Fourth Proportional to 1,827.06, 2,740.99 and 852.63

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Solution

The fourth proportional to 1,827.06, 2,740.99 and 852.63 is: 1,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.06 : 2,740.99 = 852.63 : x
  2. Step 2: Convert to fraction form
    1,827.06/2,740.99 = 852.63/x
  3. Step 3: Cross multiply
    1,827.06x = 2,740.99 × 852.63
  4. Step 4: Simplify right side
    1,827.06x = 2,337,034.47
  5. Step 5: Solve for x
    x = 2,337,034.47/1,827.06
  6. Step 6: Final answer
    x = 1,279.13

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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.