Home / 3,303.20-4,954.80-2,074.40

Finding the Fourth Proportional to 3,303.20, 4,954.80 and 2,074.40

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Solution

The fourth proportional to 3,303.20, 4,954.80 and 2,074.40 is: 3,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.20 : 4,954.80 = 2,074.40 : x
  2. Step 2: Convert to fraction form
    3,303.20/4,954.80 = 2,074.40/x
  3. Step 3: Cross multiply
    3,303.20x = 4,954.80 × 2,074.40
  4. Step 4: Simplify right side
    3,303.20x = 10,278,237.12
  5. Step 5: Solve for x
    x = 10,278,237.12/3,303.20
  6. Step 6: Final answer
    x = 3,111.60

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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.