Home / 3,851.40-5,775.66-2,551.08

Finding the Fourth Proportional to 3,851.40, 5,775.66 and 2,551.08

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Solution

The fourth proportional to 3,851.40, 5,775.66 and 2,551.08 is: 3,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.40 : 5,775.66 = 2,551.08 : x
  2. Step 2: Convert to fraction form
    3,851.40/5,775.66 = 2,551.08/x
  3. Step 3: Cross multiply
    3,851.40x = 5,775.66 × 2,551.08
  4. Step 4: Simplify right side
    3,851.40x = 14,734,170.71
  5. Step 5: Solve for x
    x = 14,734,170.71/3,851.40
  6. Step 6: Final answer
    x = 3,825.67

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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.