Home / 3,378.74-4,662.83-1,887.03

Finding the Fourth Proportional to 3,378.74, 4,662.83 and 1,887.03

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Solution

The fourth proportional to 3,378.74, 4,662.83 and 1,887.03 is: 2,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.74 : 4,662.83 = 1,887.03 : x
  2. Step 2: Convert to fraction form
    3,378.74/4,662.83 = 1,887.03/x
  3. Step 3: Cross multiply
    3,378.74x = 4,662.83 × 1,887.03
  4. Step 4: Simplify right side
    3,378.74x = 8,798,904.81
  5. Step 5: Solve for x
    x = 8,798,904.81/3,378.74
  6. Step 6: Final answer
    x = 2,604.20

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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.