Home / 1,849.77-2,548.34-1,289.23

Finding the Fourth Proportional to 1,849.77, 2,548.34 and 1,289.23

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Solution

The fourth proportional to 1,849.77, 2,548.34 and 1,289.23 is: 1,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.77 : 2,548.34 = 1,289.23 : x
  2. Step 2: Convert to fraction form
    1,849.77/2,548.34 = 1,289.23/x
  3. Step 3: Cross multiply
    1,849.77x = 2,548.34 × 1,289.23
  4. Step 4: Simplify right side
    1,849.77x = 3,285,383.64
  5. Step 5: Solve for x
    x = 3,285,383.64/1,849.77
  6. Step 6: Final answer
    x = 1,776.11

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1.5x scale

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.