Home / 1,394.19-2,080.01-1,343.76

Finding the Fourth Proportional to 1,394.19, 2,080.01 and 1,343.76

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Solution

The fourth proportional to 1,394.19, 2,080.01 and 1,343.76 is: 2,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.19 : 2,080.01 = 1,343.76 : x
  2. Step 2: Convert to fraction form
    1,394.19/2,080.01 = 1,343.76/x
  3. Step 3: Cross multiply
    1,394.19x = 2,080.01 × 1,343.76
  4. Step 4: Simplify right side
    1,394.19x = 2,795,027.52
  5. Step 5: Solve for x
    x = 2,795,027.52/1,394.19
  6. Step 6: Final answer
    x = 2,004.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.