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Finding the Fourth Proportional to 1,159.08, 1,729.64 and 1,036

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Solution

The fourth proportional to 1,159.08, 1,729.64 and 1,036 is: 1,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.08 : 1,729.64 = 1,036 : x
  2. Step 2: Convert to fraction form
    1,159.08/1,729.64 = 1,036/x
  3. Step 3: Cross multiply
    1,159.08x = 1,729.64 × 1,036
  4. Step 4: Simplify right side
    1,159.08x = 1,791,907.04
  5. Step 5: Solve for x
    x = 1,791,907.04/1,159.08
  6. Step 6: Final answer
    x = 1,545.97

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Why These Related Problems?

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