Home / 2,554.68-3,520.86-1,854.84

Finding the Fourth Proportional to 2,554.68, 3,520.86 and 1,854.84

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Solution

The fourth proportional to 2,554.68, 3,520.86 and 1,854.84 is: 2,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.68 : 3,520.86 = 1,854.84 : x
  2. Step 2: Convert to fraction form
    2,554.68/3,520.86 = 1,854.84/x
  3. Step 3: Cross multiply
    2,554.68x = 3,520.86 × 1,854.84
  4. Step 4: Simplify right side
    2,554.68x = 6,530,631.96
  5. Step 5: Solve for x
    x = 6,530,631.96/2,554.68
  6. Step 6: Final answer
    x = 2,556.34

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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.