Home / 2,954.99-4,077.74-1,628.48

Finding the Fourth Proportional to 2,954.99, 4,077.74 and 1,628.48

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Solution

The fourth proportional to 2,954.99, 4,077.74 and 1,628.48 is: 2,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.99 : 4,077.74 = 1,628.48 : x
  2. Step 2: Convert to fraction form
    2,954.99/4,077.74 = 1,628.48/x
  3. Step 3: Cross multiply
    2,954.99x = 4,077.74 × 1,628.48
  4. Step 4: Simplify right side
    2,954.99x = 6,640,518.04
  5. Step 5: Solve for x
    x = 6,640,518.04/2,954.99
  6. Step 6: Final answer
    x = 2,247.22

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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.