Home / 2,020.06-2,788.47-1,273.87

Finding the Fourth Proportional to 2,020.06, 2,788.47 and 1,273.87

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Solution

The fourth proportional to 2,020.06, 2,788.47 and 1,273.87 is: 1,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.06 : 2,788.47 = 1,273.87 : x
  2. Step 2: Convert to fraction form
    2,020.06/2,788.47 = 1,273.87/x
  3. Step 3: Cross multiply
    2,020.06x = 2,788.47 × 1,273.87
  4. Step 4: Simplify right side
    2,020.06x = 3,552,134.34
  5. Step 5: Solve for x
    x = 3,552,134.34/2,020.06
  6. Step 6: Final answer
    x = 1,758.43

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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.