Home / 2,258.03-3,115.99-1,235.98

Finding the Fourth Proportional to 2,258.03, 3,115.99 and 1,235.98

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Solution

The fourth proportional to 2,258.03, 3,115.99 and 1,235.98 is: 1,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.03 : 3,115.99 = 1,235.98 : x
  2. Step 2: Convert to fraction form
    2,258.03/3,115.99 = 1,235.98/x
  3. Step 3: Cross multiply
    2,258.03x = 3,115.99 × 1,235.98
  4. Step 4: Simplify right side
    2,258.03x = 3,851,289.23
  5. Step 5: Solve for x
    x = 3,851,289.23/2,258.03
  6. Step 6: Final answer
    x = 1,705.60

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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.