Home / 1,815.03-2,504.70-1,029.08

Finding the Fourth Proportional to 1,815.03, 2,504.70 and 1,029.08

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Solution

The fourth proportional to 1,815.03, 2,504.70 and 1,029.08 is: 1,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.03 : 2,504.70 = 1,029.08 : x
  2. Step 2: Convert to fraction form
    1,815.03/2,504.70 = 1,029.08/x
  3. Step 3: Cross multiply
    1,815.03x = 2,504.70 × 1,029.08
  4. Step 4: Simplify right side
    1,815.03x = 2,577,536.68
  5. Step 5: Solve for x
    x = 2,577,536.68/1,815.03
  6. Step 6: Final answer
    x = 1,420.11

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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.