Home / 1,827.57-2,742.27-1,585.79

Finding the Fourth Proportional to 1,827.57, 2,742.27 and 1,585.79

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Solution

The fourth proportional to 1,827.57, 2,742.27 and 1,585.79 is: 2,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.57 : 2,742.27 = 1,585.79 : x
  2. Step 2: Convert to fraction form
    1,827.57/2,742.27 = 1,585.79/x
  3. Step 3: Cross multiply
    1,827.57x = 2,742.27 × 1,585.79
  4. Step 4: Simplify right side
    1,827.57x = 4,348,650.63
  5. Step 5: Solve for x
    x = 4,348,650.63/1,827.57
  6. Step 6: Final answer
    x = 2,379.47

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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.