Home / 1,862.51-2,790.45-1,556.33

Finding the Fourth Proportional to 1,862.51, 2,790.45 and 1,556.33

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Solution

The fourth proportional to 1,862.51, 2,790.45 and 1,556.33 is: 2,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.51 : 2,790.45 = 1,556.33 : x
  2. Step 2: Convert to fraction form
    1,862.51/2,790.45 = 1,556.33/x
  3. Step 3: Cross multiply
    1,862.51x = 2,790.45 × 1,556.33
  4. Step 4: Simplify right side
    1,862.51x = 4,342,847.10
  5. Step 5: Solve for x
    x = 4,342,847.10/1,862.51
  6. Step 6: Final answer
    x = 2,331.72

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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.