Home / 2,485.49-3,429.97-1,366.44

Finding the Fourth Proportional to 2,485.49, 3,429.97 and 1,366.44

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Solution

The fourth proportional to 2,485.49, 3,429.97 and 1,366.44 is: 1,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.49 : 3,429.97 = 1,366.44 : x
  2. Step 2: Convert to fraction form
    2,485.49/3,429.97 = 1,366.44/x
  3. Step 3: Cross multiply
    2,485.49x = 3,429.97 × 1,366.44
  4. Step 4: Simplify right side
    2,485.49x = 4,686,844.79
  5. Step 5: Solve for x
    x = 4,686,844.79/2,485.49
  6. Step 6: Final answer
    x = 1,885.69

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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.