Home / 1,899.65-2,618.64-1,479.26

Finding the Fourth Proportional to 1,899.65, 2,618.64 and 1,479.26

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Solution

The fourth proportional to 1,899.65, 2,618.64 and 1,479.26 is: 2,039.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.65 : 2,618.64 = 1,479.26 : x
  2. Step 2: Convert to fraction form
    1,899.65/2,618.64 = 1,479.26/x
  3. Step 3: Cross multiply
    1,899.65x = 2,618.64 × 1,479.26
  4. Step 4: Simplify right side
    1,899.65x = 3,873,628.92
  5. Step 5: Solve for x
    x = 3,873,628.92/1,899.65
  6. Step 6: Final answer
    x = 2,039.13

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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.