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Finding the Fourth Proportional to 2,773.66, 4,159.26 and 1,041.07

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Solution

The fourth proportional to 2,773.66, 4,159.26 and 1,041.07 is: 1,561.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.66 : 4,159.26 = 1,041.07 : x
  2. Step 2: Convert to fraction form
    2,773.66/4,159.26 = 1,041.07/x
  3. Step 3: Cross multiply
    2,773.66x = 4,159.26 × 1,041.07
  4. Step 4: Simplify right side
    2,773.66x = 4,330,080.81
  5. Step 5: Solve for x
    x = 4,330,080.81/2,773.66
  6. Step 6: Final answer
    x = 1,561.14

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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.