Home / 2,845.95-3,925.18-1,851.54

Finding the Fourth Proportional to 2,845.95, 3,925.18 and 1,851.54

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Solution

The fourth proportional to 2,845.95, 3,925.18 and 1,851.54 is: 2,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.95 : 3,925.18 = 1,851.54 : x
  2. Step 2: Convert to fraction form
    2,845.95/3,925.18 = 1,851.54/x
  3. Step 3: Cross multiply
    2,845.95x = 3,925.18 × 1,851.54
  4. Step 4: Simplify right side
    2,845.95x = 7,267,627.78
  5. Step 5: Solve for x
    x = 7,267,627.78/2,845.95
  6. Step 6: Final answer
    x = 2,553.67

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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.