Home / 2,949.09-4,065.01-2,238.63

Finding the Fourth Proportional to 2,949.09, 4,065.01 and 2,238.63

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Solution

The fourth proportional to 2,949.09, 4,065.01 and 2,238.63 is: 3,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.09 : 4,065.01 = 2,238.63 : x
  2. Step 2: Convert to fraction form
    2,949.09/4,065.01 = 2,238.63/x
  3. Step 3: Cross multiply
    2,949.09x = 4,065.01 × 2,238.63
  4. Step 4: Simplify right side
    2,949.09x = 9,100,053.34
  5. Step 5: Solve for x
    x = 9,100,053.34/2,949.09
  6. Step 6: Final answer
    x = 3,085.72

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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.