Home / 2,449.32-3,379.23-1,386.94

Finding the Fourth Proportional to 2,449.32, 3,379.23 and 1,386.94

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Solution

The fourth proportional to 2,449.32, 3,379.23 and 1,386.94 is: 1,913.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.32 : 3,379.23 = 1,386.94 : x
  2. Step 2: Convert to fraction form
    2,449.32/3,379.23 = 1,386.94/x
  3. Step 3: Cross multiply
    2,449.32x = 3,379.23 × 1,386.94
  4. Step 4: Simplify right side
    2,449.32x = 4,686,789.26
  5. Step 5: Solve for x
    x = 4,686,789.26/2,449.32
  6. Step 6: Final answer
    x = 1,913.51

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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.