Home / 2,305.58-3,455.41-1,381.66

Finding the Fourth Proportional to 2,305.58, 3,455.41 and 1,381.66

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Solution

The fourth proportional to 2,305.58, 3,455.41 and 1,381.66 is: 2,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.58 : 3,455.41 = 1,381.66 : x
  2. Step 2: Convert to fraction form
    2,305.58/3,455.41 = 1,381.66/x
  3. Step 3: Cross multiply
    2,305.58x = 3,455.41 × 1,381.66
  4. Step 4: Simplify right side
    2,305.58x = 4,774,201.78
  5. Step 5: Solve for x
    x = 4,774,201.78/2,305.58
  6. Step 6: Final answer
    x = 2,070.72

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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.