Home / 1,849.93-2,548.11-1,289.40

Finding the Fourth Proportional to 1,849.93, 2,548.11 and 1,289.40

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Solution

The fourth proportional to 1,849.93, 2,548.11 and 1,289.40 is: 1,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.93 : 2,548.11 = 1,289.40 : x
  2. Step 2: Convert to fraction form
    1,849.93/2,548.11 = 1,289.40/x
  3. Step 3: Cross multiply
    1,849.93x = 2,548.11 × 1,289.40
  4. Step 4: Simplify right side
    1,849.93x = 3,285,528.31
  5. Step 5: Solve for x
    x = 3,285,528.31/1,849.93
  6. Step 6: Final answer
    x = 1,776.03

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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.