Home / 2,485.44-3,429.96-1,366.47

Finding the Fourth Proportional to 2,485.44, 3,429.96 and 1,366.47

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Solution

The fourth proportional to 2,485.44, 3,429.96 and 1,366.47 is: 1,885.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.44 : 3,429.96 = 1,366.47 : x
  2. Step 2: Convert to fraction form
    2,485.44/3,429.96 = 1,366.47/x
  3. Step 3: Cross multiply
    2,485.44x = 3,429.96 × 1,366.47
  4. Step 4: Simplify right side
    2,485.44x = 4,686,937.44
  5. Step 5: Solve for x
    x = 4,686,937.44/2,485.44
  6. Step 6: Final answer
    x = 1,885.76

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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.