Home / 3,155.37-4,354.26-1,829.49

Finding the Fourth Proportional to 3,155.37, 4,354.26 and 1,829.49

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Solution

The fourth proportional to 3,155.37, 4,354.26 and 1,829.49 is: 2,524.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.37 : 4,354.26 = 1,829.49 : x
  2. Step 2: Convert to fraction form
    3,155.37/4,354.26 = 1,829.49/x
  3. Step 3: Cross multiply
    3,155.37x = 4,354.26 × 1,829.49
  4. Step 4: Simplify right side
    3,155.37x = 7,966,075.13
  5. Step 5: Solve for x
    x = 7,966,075.13/3,155.37
  6. Step 6: Final answer
    x = 2,524.61

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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.