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Finding the Fourth Proportional to 1,862.44, 2,794.96 and 693.51

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Solution

The fourth proportional to 1,862.44, 2,794.96 and 693.51 is: 1,040.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.44 : 2,794.96 = 693.51 : x
  2. Step 2: Convert to fraction form
    1,862.44/2,794.96 = 693.51/x
  3. Step 3: Cross multiply
    1,862.44x = 2,794.96 × 693.51
  4. Step 4: Simplify right side
    1,862.44x = 1,938,334.92
  5. Step 5: Solve for x
    x = 1,938,334.92/1,862.44
  6. Step 6: Final answer
    x = 1,040.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.