Home / 3,859.01-5,325.63-2,180.48

Finding the Fourth Proportional to 3,859.01, 5,325.63 and 2,180.48

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Solution

The fourth proportional to 3,859.01, 5,325.63 and 2,180.48 is: 3,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.01 : 5,325.63 = 2,180.48 : x
  2. Step 2: Convert to fraction form
    3,859.01/5,325.63 = 2,180.48/x
  3. Step 3: Cross multiply
    3,859.01x = 5,325.63 × 2,180.48
  4. Step 4: Simplify right side
    3,859.01x = 11,612,451.19
  5. Step 5: Solve for x
    x = 11,612,451.19/3,859.01
  6. Step 6: Final answer
    x = 3,009.18

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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.