Home / 3,155.84-4,354.72-1,829.36

Finding the Fourth Proportional to 3,155.84, 4,354.72 and 1,829.36

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Solution

The fourth proportional to 3,155.84, 4,354.72 and 1,829.36 is: 2,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.84 : 4,354.72 = 1,829.36 : x
  2. Step 2: Convert to fraction form
    3,155.84/4,354.72 = 1,829.36/x
  3. Step 3: Cross multiply
    3,155.84x = 4,354.72 × 1,829.36
  4. Step 4: Simplify right side
    3,155.84x = 7,966,350.58
  5. Step 5: Solve for x
    x = 7,966,350.58/3,155.84
  6. Step 6: Final answer
    x = 2,524.32

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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.