Home / 1,904.65-2,629.37-1,802.90

Finding the Fourth Proportional to 1,904.65, 2,629.37 and 1,802.90

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Solution

The fourth proportional to 1,904.65, 2,629.37 and 1,802.90 is: 2,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.65 : 2,629.37 = 1,802.90 : x
  2. Step 2: Convert to fraction form
    1,904.65/2,629.37 = 1,802.90/x
  3. Step 3: Cross multiply
    1,904.65x = 2,629.37 × 1,802.90
  4. Step 4: Simplify right side
    1,904.65x = 4,740,502.25
  5. Step 5: Solve for x
    x = 4,740,502.25/1,904.65
  6. Step 6: Final answer
    x = 2,488.91

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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.