Home / 3,418.50-5,124.08-1,774.64

Finding the Fourth Proportional to 3,418.50, 5,124.08 and 1,774.64

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Solution

The fourth proportional to 3,418.50, 5,124.08 and 1,774.64 is: 2,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.50 : 5,124.08 = 1,774.64 : x
  2. Step 2: Convert to fraction form
    3,418.50/5,124.08 = 1,774.64/x
  3. Step 3: Cross multiply
    3,418.50x = 5,124.08 × 1,774.64
  4. Step 4: Simplify right side
    3,418.50x = 9,093,397.33
  5. Step 5: Solve for x
    x = 9,093,397.33/3,418.50
  6. Step 6: Final answer
    x = 2,660.05

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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.