Home / 2,665.90-3,679.05-1,486.97

Finding the Fourth Proportional to 2,665.90, 3,679.05 and 1,486.97

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Solution

The fourth proportional to 2,665.90, 3,679.05 and 1,486.97 is: 2,052.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.90 : 3,679.05 = 1,486.97 : x
  2. Step 2: Convert to fraction form
    2,665.90/3,679.05 = 1,486.97/x
  3. Step 3: Cross multiply
    2,665.90x = 3,679.05 × 1,486.97
  4. Step 4: Simplify right side
    2,665.90x = 5,470,637.96
  5. Step 5: Solve for x
    x = 5,470,637.96/2,665.90
  6. Step 6: Final answer
    x = 2,052.08

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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.