Home / 3,449.07-4,763.09-2,948.81

Finding the Fourth Proportional to 3,449.07, 4,763.09 and 2,948.81

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Solution

The fourth proportional to 3,449.07, 4,763.09 and 2,948.81 is: 4,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.07 : 4,763.09 = 2,948.81 : x
  2. Step 2: Convert to fraction form
    3,449.07/4,763.09 = 2,948.81/x
  3. Step 3: Cross multiply
    3,449.07x = 4,763.09 × 2,948.81
  4. Step 4: Simplify right side
    3,449.07x = 14,045,430.98
  5. Step 5: Solve for x
    x = 14,045,430.98/3,449.07
  6. Step 6: Final answer
    x = 4,072.24

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1.5x scale

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.