Home / 3,859.04-5,325.52-2,180.46

Finding the Fourth Proportional to 3,859.04, 5,325.52 and 2,180.46

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Solution

The fourth proportional to 3,859.04, 5,325.52 and 2,180.46 is: 3,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.04 : 5,325.52 = 2,180.46 : x
  2. Step 2: Convert to fraction form
    3,859.04/5,325.52 = 2,180.46/x
  3. Step 3: Cross multiply
    3,859.04x = 5,325.52 × 2,180.46
  4. Step 4: Simplify right side
    3,859.04x = 11,612,083.34
  5. Step 5: Solve for x
    x = 11,612,083.34/3,859.04
  6. Step 6: Final answer
    x = 3,009.06

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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.