Home / 1,451.94-2,004.64-1,115.24

Finding the Fourth Proportional to 1,451.94, 2,004.64 and 1,115.24

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Solution

The fourth proportional to 1,451.94, 2,004.64 and 1,115.24 is: 1,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.94 : 2,004.64 = 1,115.24 : x
  2. Step 2: Convert to fraction form
    1,451.94/2,004.64 = 1,115.24/x
  3. Step 3: Cross multiply
    1,451.94x = 2,004.64 × 1,115.24
  4. Step 4: Simplify right side
    1,451.94x = 2,235,648.66
  5. Step 5: Solve for x
    x = 2,235,648.66/1,451.94
  6. Step 6: Final answer
    x = 1,539.77

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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.