Home / 1,509.44-2,080.32-1,094.72

Finding the Fourth Proportional to 1,509.44, 2,080.32 and 1,094.72

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Solution

The fourth proportional to 1,509.44, 2,080.32 and 1,094.72 is: 1,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.44 : 2,080.32 = 1,094.72 : x
  2. Step 2: Convert to fraction form
    1,509.44/2,080.32 = 1,094.72/x
  3. Step 3: Cross multiply
    1,509.44x = 2,080.32 × 1,094.72
  4. Step 4: Simplify right side
    1,509.44x = 2,277,367.91
  5. Step 5: Solve for x
    x = 2,277,367.91/1,509.44
  6. Step 6: Final answer
    x = 1,508.75

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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.