Home / 3,518.28-4,856.04-2,121.03

Finding the Fourth Proportional to 3,518.28, 4,856.04 and 2,121.03

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Solution

The fourth proportional to 3,518.28, 4,856.04 and 2,121.03 is: 2,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.28 : 4,856.04 = 2,121.03 : x
  2. Step 2: Convert to fraction form
    3,518.28/4,856.04 = 2,121.03/x
  3. Step 3: Cross multiply
    3,518.28x = 4,856.04 × 2,121.03
  4. Step 4: Simplify right side
    3,518.28x = 10,299,806.52
  5. Step 5: Solve for x
    x = 10,299,806.52/3,518.28
  6. Step 6: Final answer
    x = 2,927.51

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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.