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Finding the Fourth Proportional to 1,375.53, 1,897.25 and 955.99

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Solution

The fourth proportional to 1,375.53, 1,897.25 and 955.99 is: 1,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375.53 : 1,897.25 = 955.99 : x
  2. Step 2: Convert to fraction form
    1,375.53/1,897.25 = 955.99/x
  3. Step 3: Cross multiply
    1,375.53x = 1,897.25 × 955.99
  4. Step 4: Simplify right side
    1,375.53x = 1,813,746.66
  5. Step 5: Solve for x
    x = 1,813,746.66/1,375.53
  6. Step 6: Final answer
    x = 1,318.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.