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Finding the Fourth Proportional to 1,803.58, 2,707.02 and 1,185.58

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Solution

The fourth proportional to 1,803.58, 2,707.02 and 1,185.58 is: 1,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803.58 : 2,707.02 = 1,185.58 : x
  2. Step 2: Convert to fraction form
    1,803.58/2,707.02 = 1,185.58/x
  3. Step 3: Cross multiply
    1,803.58x = 2,707.02 × 1,185.58
  4. Step 4: Simplify right side
    1,803.58x = 3,209,388.77
  5. Step 5: Solve for x
    x = 3,209,388.77/1,803.58
  6. Step 6: Final answer
    x = 1,779.45

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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.