Home / 1,985.16-2,973.79-1,204.73

Finding the Fourth Proportional to 1,985.16, 2,973.79 and 1,204.73

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Solution

The fourth proportional to 1,985.16, 2,973.79 and 1,204.73 is: 1,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985.16 : 2,973.79 = 1,204.73 : x
  2. Step 2: Convert to fraction form
    1,985.16/2,973.79 = 1,204.73/x
  3. Step 3: Cross multiply
    1,985.16x = 2,973.79 × 1,204.73
  4. Step 4: Simplify right side
    1,985.16x = 3,582,614.03
  5. Step 5: Solve for x
    x = 3,582,614.03/1,985.16
  6. Step 6: Final answer
    x = 1,804.70

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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.