Home / 2,798.60-3,862.24-1,852.74

Finding the Fourth Proportional to 2,798.60, 3,862.24 and 1,852.74

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Solution

The fourth proportional to 2,798.60, 3,862.24 and 1,852.74 is: 2,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.60 : 3,862.24 = 1,852.74 : x
  2. Step 2: Convert to fraction form
    2,798.60/3,862.24 = 1,852.74/x
  3. Step 3: Cross multiply
    2,798.60x = 3,862.24 × 1,852.74
  4. Step 4: Simplify right side
    2,798.60x = 7,155,726.54
  5. Step 5: Solve for x
    x = 7,155,726.54/2,798.60
  6. Step 6: Final answer
    x = 2,556.90

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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.