Home / 1,827.45-2,742.93-1,005.57

Finding the Fourth Proportional to 1,827.45, 2,742.93 and 1,005.57

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Solution

The fourth proportional to 1,827.45, 2,742.93 and 1,005.57 is: 1,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.45 : 2,742.93 = 1,005.57 : x
  2. Step 2: Convert to fraction form
    1,827.45/2,742.93 = 1,005.57/x
  3. Step 3: Cross multiply
    1,827.45x = 2,742.93 × 1,005.57
  4. Step 4: Simplify right side
    1,827.45x = 2,758,208.12
  5. Step 5: Solve for x
    x = 2,758,208.12/1,827.45
  6. Step 6: Final answer
    x = 1,509.32

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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.