Home / 1,439.96-2,146.24-1,357.94

Finding the Fourth Proportional to 1,439.96, 2,146.24 and 1,357.94

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Solution

The fourth proportional to 1,439.96, 2,146.24 and 1,357.94 is: 2,023.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439.96 : 2,146.24 = 1,357.94 : x
  2. Step 2: Convert to fraction form
    1,439.96/2,146.24 = 1,357.94/x
  3. Step 3: Cross multiply
    1,439.96x = 2,146.24 × 1,357.94
  4. Step 4: Simplify right side
    1,439.96x = 2,914,465.15
  5. Step 5: Solve for x
    x = 2,914,465.15/1,439.96
  6. Step 6: Final answer
    x = 2,023.99

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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.