Home / 2,948.58-4,422.06-1,631.88

Finding the Fourth Proportional to 2,948.58, 4,422.06 and 1,631.88

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Solution

The fourth proportional to 2,948.58, 4,422.06 and 1,631.88 is: 2,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.58 : 4,422.06 = 1,631.88 : x
  2. Step 2: Convert to fraction form
    2,948.58/4,422.06 = 1,631.88/x
  3. Step 3: Cross multiply
    2,948.58x = 4,422.06 × 1,631.88
  4. Step 4: Simplify right side
    2,948.58x = 7,216,271.27
  5. Step 5: Solve for x
    x = 7,216,271.27/2,948.58
  6. Step 6: Final answer
    x = 2,447.37

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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.