Home / 3,571.20-5,349.60-2,030.40

Finding the Fourth Proportional to 3,571.20, 5,349.60 and 2,030.40

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Solution

The fourth proportional to 3,571.20, 5,349.60 and 2,030.40 is: 3,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.20 : 5,349.60 = 2,030.40 : x
  2. Step 2: Convert to fraction form
    3,571.20/5,349.60 = 2,030.40/x
  3. Step 3: Cross multiply
    3,571.20x = 5,349.60 × 2,030.40
  4. Step 4: Simplify right side
    3,571.20x = 10,861,827.84
  5. Step 5: Solve for x
    x = 10,861,827.84/3,571.20
  6. Step 6: Final answer
    x = 3,041.51

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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.