Home / 3,103.15-4,653.96-1,854.10

Finding the Fourth Proportional to 3,103.15, 4,653.96 and 1,854.10

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Solution

The fourth proportional to 3,103.15, 4,653.96 and 1,854.10 is: 2,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.15 : 4,653.96 = 1,854.10 : x
  2. Step 2: Convert to fraction form
    3,103.15/4,653.96 = 1,854.10/x
  3. Step 3: Cross multiply
    3,103.15x = 4,653.96 × 1,854.10
  4. Step 4: Simplify right side
    3,103.15x = 8,628,907.24
  5. Step 5: Solve for x
    x = 8,628,907.24/3,103.15
  6. Step 6: Final answer
    x = 2,780.69

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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.