Home / 3,303.12-4,558.35-1,976.88

Finding the Fourth Proportional to 3,303.12, 4,558.35 and 1,976.88

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Solution

The fourth proportional to 3,303.12, 4,558.35 and 1,976.88 is: 2,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.12 : 4,558.35 = 1,976.88 : x
  2. Step 2: Convert to fraction form
    3,303.12/4,558.35 = 1,976.88/x
  3. Step 3: Cross multiply
    3,303.12x = 4,558.35 × 1,976.88
  4. Step 4: Simplify right side
    3,303.12x = 9,011,288.16
  5. Step 5: Solve for x
    x = 9,011,288.16/3,303.12
  6. Step 6: Final answer
    x = 2,728.12

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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.