Home / 1,784.39-2,462.49-1,038.56

Finding the Fourth Proportional to 1,784.39, 2,462.49 and 1,038.56

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Solution

The fourth proportional to 1,784.39, 2,462.49 and 1,038.56 is: 1,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.39 : 2,462.49 = 1,038.56 : x
  2. Step 2: Convert to fraction form
    1,784.39/2,462.49 = 1,038.56/x
  3. Step 3: Cross multiply
    1,784.39x = 2,462.49 × 1,038.56
  4. Step 4: Simplify right side
    1,784.39x = 2,557,431.30
  5. Step 5: Solve for x
    x = 2,557,431.30/1,784.39
  6. Step 6: Final answer
    x = 1,433.23

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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.