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Finding the Fourth Proportional to 2,685.09, 4,012.08 and 1,941.18

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Solution

The fourth proportional to 2,685.09, 4,012.08 and 1,941.18 is: 2,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.09 : 4,012.08 = 1,941.18 : x
  2. Step 2: Convert to fraction form
    2,685.09/4,012.08 = 1,941.18/x
  3. Step 3: Cross multiply
    2,685.09x = 4,012.08 × 1,941.18
  4. Step 4: Simplify right side
    2,685.09x = 7,788,169.45
  5. Step 5: Solve for x
    x = 7,788,169.45/2,685.09
  6. Step 6: Final answer
    x = 2,900.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.