Home / 2,258.23-3,394.91-1,850.40

Finding the Fourth Proportional to 2,258.23, 3,394.91 and 1,850.40

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Solution

The fourth proportional to 2,258.23, 3,394.91 and 1,850.40 is: 2,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.23 : 3,394.91 = 1,850.40 : x
  2. Step 2: Convert to fraction form
    2,258.23/3,394.91 = 1,850.40/x
  3. Step 3: Cross multiply
    2,258.23x = 3,394.91 × 1,850.40
  4. Step 4: Simplify right side
    2,258.23x = 6,281,941.46
  5. Step 5: Solve for x
    x = 6,281,941.46/2,258.23
  6. Step 6: Final answer
    x = 2,781.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.