Home / 2,827.55-4,240.73-1,071.95

Finding the Fourth Proportional to 2,827.55, 4,240.73 and 1,071.95

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Solution

The fourth proportional to 2,827.55, 4,240.73 and 1,071.95 is: 1,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.55 : 4,240.73 = 1,071.95 : x
  2. Step 2: Convert to fraction form
    2,827.55/4,240.73 = 1,071.95/x
  3. Step 3: Cross multiply
    2,827.55x = 4,240.73 × 1,071.95
  4. Step 4: Simplify right side
    2,827.55x = 4,545,832.00
  5. Step 5: Solve for x
    x = 4,545,832.00/2,827.55
  6. Step 6: Final answer
    x = 1,607.69

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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.