Home / 2,455.81-3,386.79-1,827.92

Finding the Fourth Proportional to 2,455.81, 3,386.79 and 1,827.92

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Solution

The fourth proportional to 2,455.81, 3,386.79 and 1,827.92 is: 2,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.81 : 3,386.79 = 1,827.92 : x
  2. Step 2: Convert to fraction form
    2,455.81/3,386.79 = 1,827.92/x
  3. Step 3: Cross multiply
    2,455.81x = 3,386.79 × 1,827.92
  4. Step 4: Simplify right side
    2,455.81x = 6,190,789.64
  5. Step 5: Solve for x
    x = 6,190,789.64/2,455.81
  6. Step 6: Final answer
    x = 2,520.88

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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.