Home / 2,827.40-3,902-1,632.60

Finding the Fourth Proportional to 2,827.40, 3,902 and 1,632.60

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Solution

The fourth proportional to 2,827.40, 3,902 and 1,632.60 is: 2,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.40 : 3,902 = 1,632.60 : x
  2. Step 2: Convert to fraction form
    2,827.40/3,902 = 1,632.60/x
  3. Step 3: Cross multiply
    2,827.40x = 3,902 × 1,632.60
  4. Step 4: Simplify right side
    2,827.40x = 6,370,405.20
  5. Step 5: Solve for x
    x = 6,370,405.20/2,827.40
  6. Step 6: Final answer
    x = 2,253.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.