Home / 3,523.05-4,851.90-2,928.20

Finding the Fourth Proportional to 3,523.05, 4,851.90 and 2,928.20

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Solution

The fourth proportional to 3,523.05, 4,851.90 and 2,928.20 is: 4,032.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.05 : 4,851.90 = 2,928.20 : x
  2. Step 2: Convert to fraction form
    3,523.05/4,851.90 = 2,928.20/x
  3. Step 3: Cross multiply
    3,523.05x = 4,851.90 × 2,928.20
  4. Step 4: Simplify right side
    3,523.05x = 14,207,309.32
  5. Step 5: Solve for x
    x = 14,207,309.32/3,523.05
  6. Step 6: Final answer
    x = 4,032.67

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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.