Home / 3,313.86-4,573.08-1,821.77

Finding the Fourth Proportional to 3,313.86, 4,573.08 and 1,821.77

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Solution

The fourth proportional to 3,313.86, 4,573.08 and 1,821.77 is: 2,514.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.86 : 4,573.08 = 1,821.77 : x
  2. Step 2: Convert to fraction form
    3,313.86/4,573.08 = 1,821.77/x
  3. Step 3: Cross multiply
    3,313.86x = 4,573.08 × 1,821.77
  4. Step 4: Simplify right side
    3,313.86x = 8,331,099.95
  5. Step 5: Solve for x
    x = 8,331,099.95/3,313.86
  6. Step 6: Final answer
    x = 2,514.02

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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.