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Finding the Fourth Proportional to 1,798.55, 2,699.07 and 702.93

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Solution

The fourth proportional to 1,798.55, 2,699.07 and 702.93 is: 1,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.55 : 2,699.07 = 702.93 : x
  2. Step 2: Convert to fraction form
    1,798.55/2,699.07 = 702.93/x
  3. Step 3: Cross multiply
    1,798.55x = 2,699.07 × 702.93
  4. Step 4: Simplify right side
    1,798.55x = 1,897,257.28
  5. Step 5: Solve for x
    x = 1,897,257.28/1,798.55
  6. Step 6: Final answer
    x = 1,054.88

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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.