Home / 4,119.66-5,684.49-2,628.81

Finding the Fourth Proportional to 4,119.66, 5,684.49 and 2,628.81

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Solution

The fourth proportional to 4,119.66, 5,684.49 and 2,628.81 is: 3,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.66 : 5,684.49 = 2,628.81 : x
  2. Step 2: Convert to fraction form
    4,119.66/5,684.49 = 2,628.81/x
  3. Step 3: Cross multiply
    4,119.66x = 5,684.49 × 2,628.81
  4. Step 4: Simplify right side
    4,119.66x = 14,943,444.16
  5. Step 5: Solve for x
    x = 14,943,444.16/4,119.66
  6. Step 6: Final answer
    x = 3,627.35

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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.