Home / 1,804.29-2,705.46-926.43

Finding the Fourth Proportional to 1,804.29, 2,705.46 and 926.43

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Solution

The fourth proportional to 1,804.29, 2,705.46 and 926.43 is: 1,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.29 : 2,705.46 = 926.43 : x
  2. Step 2: Convert to fraction form
    1,804.29/2,705.46 = 926.43/x
  3. Step 3: Cross multiply
    1,804.29x = 2,705.46 × 926.43
  4. Step 4: Simplify right side
    1,804.29x = 2,506,419.31
  5. Step 5: Solve for x
    x = 2,506,419.31/1,804.29
  6. Step 6: Final answer
    x = 1,389.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.