Home / 2,826.64-3,900.36-1,648.24

Finding the Fourth Proportional to 2,826.64, 3,900.36 and 1,648.24

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Solution

The fourth proportional to 2,826.64, 3,900.36 and 1,648.24 is: 2,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.64 : 3,900.36 = 1,648.24 : x
  2. Step 2: Convert to fraction form
    2,826.64/3,900.36 = 1,648.24/x
  3. Step 3: Cross multiply
    2,826.64x = 3,900.36 × 1,648.24
  4. Step 4: Simplify right side
    2,826.64x = 6,428,729.37
  5. Step 5: Solve for x
    x = 6,428,729.37/2,826.64
  6. Step 6: Final answer
    x = 2,274.34

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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.