Home / 1,519.31-2,094.44-1,308.57

Finding the Fourth Proportional to 1,519.31, 2,094.44 and 1,308.57

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Solution

The fourth proportional to 1,519.31, 2,094.44 and 1,308.57 is: 1,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.31 : 2,094.44 = 1,308.57 : x
  2. Step 2: Convert to fraction form
    1,519.31/2,094.44 = 1,308.57/x
  3. Step 3: Cross multiply
    1,519.31x = 2,094.44 × 1,308.57
  4. Step 4: Simplify right side
    1,519.31x = 2,740,714.81
  5. Step 5: Solve for x
    x = 2,740,714.81/1,519.31
  6. Step 6: Final answer
    x = 1,803.93

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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.