Home / 3,303.29-4,558.65-1,811.21

Finding the Fourth Proportional to 3,303.29, 4,558.65 and 1,811.21

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Solution

The fourth proportional to 3,303.29, 4,558.65 and 1,811.21 is: 2,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.29 : 4,558.65 = 1,811.21 : x
  2. Step 2: Convert to fraction form
    3,303.29/4,558.65 = 1,811.21/x
  3. Step 3: Cross multiply
    3,303.29x = 4,558.65 × 1,811.21
  4. Step 4: Simplify right side
    3,303.29x = 8,256,649.67
  5. Step 5: Solve for x
    x = 8,256,649.67/3,303.29
  6. Step 6: Final answer
    x = 2,499.53

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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.