Home / 2,558.68-3,525.66-1,998.28

Finding the Fourth Proportional to 2,558.68, 3,525.66 and 1,998.28

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Solution

The fourth proportional to 2,558.68, 3,525.66 and 1,998.28 is: 2,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.68 : 3,525.66 = 1,998.28 : x
  2. Step 2: Convert to fraction form
    2,558.68/3,525.66 = 1,998.28/x
  3. Step 3: Cross multiply
    2,558.68x = 3,525.66 × 1,998.28
  4. Step 4: Simplify right side
    2,558.68x = 7,045,255.86
  5. Step 5: Solve for x
    x = 7,045,255.86/2,558.68
  6. Step 6: Final answer
    x = 2,753.47

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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.