Home / 3,303.31-4,558.70-1,811.28

Finding the Fourth Proportional to 3,303.31, 4,558.70 and 1,811.28

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Solution

The fourth proportional to 3,303.31, 4,558.70 and 1,811.28 is: 2,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.31 : 4,558.70 = 1,811.28 : x
  2. Step 2: Convert to fraction form
    3,303.31/4,558.70 = 1,811.28/x
  3. Step 3: Cross multiply
    3,303.31x = 4,558.70 × 1,811.28
  4. Step 4: Simplify right side
    3,303.31x = 8,257,081.36
  5. Step 5: Solve for x
    x = 8,257,081.36/3,303.31
  6. Step 6: Final answer
    x = 2,499.64

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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.