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Finding the Fourth Proportional to 2,789.06, 3,848.98 and 1,547.06

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Solution

The fourth proportional to 2,789.06, 3,848.98 and 1,547.06 is: 2,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.06 : 3,848.98 = 1,547.06 : x
  2. Step 2: Convert to fraction form
    2,789.06/3,848.98 = 1,547.06/x
  3. Step 3: Cross multiply
    2,789.06x = 3,848.98 × 1,547.06
  4. Step 4: Simplify right side
    2,789.06x = 5,954,603.00
  5. Step 5: Solve for x
    x = 5,954,603.00/2,789.06
  6. Step 6: Final answer
    x = 2,134.99

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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.