Home / 2,585.27-3,880.20-1,705.31

Finding the Fourth Proportional to 2,585.27, 3,880.20 and 1,705.31

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Solution

The fourth proportional to 2,585.27, 3,880.20 and 1,705.31 is: 2,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.27 : 3,880.20 = 1,705.31 : x
  2. Step 2: Convert to fraction form
    2,585.27/3,880.20 = 1,705.31/x
  3. Step 3: Cross multiply
    2,585.27x = 3,880.20 × 1,705.31
  4. Step 4: Simplify right side
    2,585.27x = 6,616,924.46
  5. Step 5: Solve for x
    x = 6,616,924.46/2,585.27
  6. Step 6: Final answer
    x = 2,559.48

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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.