Home / 1,815.24-2,504.66-1,029.08

Finding the Fourth Proportional to 1,815.24, 2,504.66 and 1,029.08

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Solution

The fourth proportional to 1,815.24, 2,504.66 and 1,029.08 is: 1,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.24 : 2,504.66 = 1,029.08 : x
  2. Step 2: Convert to fraction form
    1,815.24/2,504.66 = 1,029.08/x
  3. Step 3: Cross multiply
    1,815.24x = 2,504.66 × 1,029.08
  4. Step 4: Simplify right side
    1,815.24x = 2,577,495.51
  5. Step 5: Solve for x
    x = 2,577,495.51/1,815.24
  6. Step 6: Final answer
    x = 1,419.92

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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.