Home / 2,258.44-3,109.72-1,977.10

Finding the Fourth Proportional to 2,258.44, 3,109.72 and 1,977.10

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Solution

The fourth proportional to 2,258.44, 3,109.72 and 1,977.10 is: 2,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.44 : 3,109.72 = 1,977.10 : x
  2. Step 2: Convert to fraction form
    2,258.44/3,109.72 = 1,977.10/x
  3. Step 3: Cross multiply
    2,258.44x = 3,109.72 × 1,977.10
  4. Step 4: Simplify right side
    2,258.44x = 6,148,206.92
  5. Step 5: Solve for x
    x = 6,148,206.92/2,258.44
  6. Step 6: Final answer
    x = 2,722.33

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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.