Home / 1,812.69-2,495.94-1,587.33

Finding the Fourth Proportional to 1,812.69, 2,495.94 and 1,587.33

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Solution

The fourth proportional to 1,812.69, 2,495.94 and 1,587.33 is: 2,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.69 : 2,495.94 = 1,587.33 : x
  2. Step 2: Convert to fraction form
    1,812.69/2,495.94 = 1,587.33/x
  3. Step 3: Cross multiply
    1,812.69x = 2,495.94 × 1,587.33
  4. Step 4: Simplify right side
    1,812.69x = 3,961,880.44
  5. Step 5: Solve for x
    x = 3,961,880.44/1,812.69
  6. Step 6: Final answer
    x = 2,185.64

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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.