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Finding the Fourth Proportional to 2,773.61, 4,159.50 and 924.22

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Solution

The fourth proportional to 2,773.61, 4,159.50 and 924.22 is: 1,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.61 : 4,159.50 = 924.22 : x
  2. Step 2: Convert to fraction form
    2,773.61/4,159.50 = 924.22/x
  3. Step 3: Cross multiply
    2,773.61x = 4,159.50 × 924.22
  4. Step 4: Simplify right side
    2,773.61x = 3,844,272.29
  5. Step 5: Solve for x
    x = 3,844,272.29/2,773.61
  6. Step 6: Final answer
    x = 1,386.02

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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.