Home / 2,669.94-3,981.38-2,485.26

Finding the Fourth Proportional to 2,669.94, 3,981.38 and 2,485.26

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Solution

The fourth proportional to 2,669.94, 3,981.38 and 2,485.26 is: 3,705.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.94 : 3,981.38 = 2,485.26 : x
  2. Step 2: Convert to fraction form
    2,669.94/3,981.38 = 2,485.26/x
  3. Step 3: Cross multiply
    2,669.94x = 3,981.38 × 2,485.26
  4. Step 4: Simplify right side
    2,669.94x = 9,894,752.03
  5. Step 5: Solve for x
    x = 9,894,752.03/2,669.94
  6. Step 6: Final answer
    x = 3,705.98

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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.