Home / 4,290.48-6,435.27-1,949.79

Finding the Fourth Proportional to 4,290.48, 6,435.27 and 1,949.79

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Solution

The fourth proportional to 4,290.48, 6,435.27 and 1,949.79 is: 2,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.48 : 6,435.27 = 1,949.79 : x
  2. Step 2: Convert to fraction form
    4,290.48/6,435.27 = 1,949.79/x
  3. Step 3: Cross multiply
    4,290.48x = 6,435.27 × 1,949.79
  4. Step 4: Simplify right side
    4,290.48x = 12,547,425.09
  5. Step 5: Solve for x
    x = 12,547,425.09/4,290.48
  6. Step 6: Final answer
    x = 2,924.48

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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.