Home / 2,305.07-3,457.28-1,427.73

Finding the Fourth Proportional to 2,305.07, 3,457.28 and 1,427.73

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Solution

The fourth proportional to 2,305.07, 3,457.28 and 1,427.73 is: 2,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.07 : 3,457.28 = 1,427.73 : x
  2. Step 2: Convert to fraction form
    2,305.07/3,457.28 = 1,427.73/x
  3. Step 3: Cross multiply
    2,305.07x = 3,457.28 × 1,427.73
  4. Step 4: Simplify right side
    2,305.07x = 4,936,055.24
  5. Step 5: Solve for x
    x = 4,936,055.24/2,305.07
  6. Step 6: Final answer
    x = 2,141.40

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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.