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Finding the Fourth Proportional to 2,766.84, 4,129.59 and 2,319.72

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Solution

The fourth proportional to 2,766.84, 4,129.59 and 2,319.72 is: 3,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.84 : 4,129.59 = 2,319.72 : x
  2. Step 2: Convert to fraction form
    2,766.84/4,129.59 = 2,319.72/x
  3. Step 3: Cross multiply
    2,766.84x = 4,129.59 × 2,319.72
  4. Step 4: Simplify right side
    2,766.84x = 9,579,492.51
  5. Step 5: Solve for x
    x = 9,579,492.51/2,766.84
  6. Step 6: Final answer
    x = 3,462.25

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.