Home / 1,840.80-2,538.48-1,631.04

Finding the Fourth Proportional to 1,840.80, 2,538.48 and 1,631.04

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Solution

The fourth proportional to 1,840.80, 2,538.48 and 1,631.04 is: 2,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.80 : 2,538.48 = 1,631.04 : x
  2. Step 2: Convert to fraction form
    1,840.80/2,538.48 = 1,631.04/x
  3. Step 3: Cross multiply
    1,840.80x = 2,538.48 × 1,631.04
  4. Step 4: Simplify right side
    1,840.80x = 4,140,362.42
  5. Step 5: Solve for x
    x = 4,140,362.42/1,840.80
  6. Step 6: Final answer
    x = 2,249.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.