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Finding the Fourth Proportional to 1,798.98, 2,696.04 and 933.90

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Solution

The fourth proportional to 1,798.98, 2,696.04 and 933.90 is: 1,399.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.98 : 2,696.04 = 933.90 : x
  2. Step 2: Convert to fraction form
    1,798.98/2,696.04 = 933.90/x
  3. Step 3: Cross multiply
    1,798.98x = 2,696.04 × 933.90
  4. Step 4: Simplify right side
    1,798.98x = 2,517,831.76
  5. Step 5: Solve for x
    x = 2,517,831.76/1,798.98
  6. Step 6: Final answer
    x = 1,399.59

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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.