Home / 3,124.77-4,669.25-2,380.25

Finding the Fourth Proportional to 3,124.77, 4,669.25 and 2,380.25

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Solution

The fourth proportional to 3,124.77, 4,669.25 and 2,380.25 is: 3,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.77 : 4,669.25 = 2,380.25 : x
  2. Step 2: Convert to fraction form
    3,124.77/4,669.25 = 2,380.25/x
  3. Step 3: Cross multiply
    3,124.77x = 4,669.25 × 2,380.25
  4. Step 4: Simplify right side
    3,124.77x = 11,113,982.31
  5. Step 5: Solve for x
    x = 11,113,982.31/3,124.77
  6. Step 6: Final answer
    x = 3,556.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.