Home / 3,182.04-4,391.15-1,855.89

Finding the Fourth Proportional to 3,182.04, 4,391.15 and 1,855.89

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Solution

The fourth proportional to 3,182.04, 4,391.15 and 1,855.89 is: 2,561.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.04 : 4,391.15 = 1,855.89 : x
  2. Step 2: Convert to fraction form
    3,182.04/4,391.15 = 1,855.89/x
  3. Step 3: Cross multiply
    3,182.04x = 4,391.15 × 1,855.89
  4. Step 4: Simplify right side
    3,182.04x = 8,149,482.09
  5. Step 5: Solve for x
    x = 8,149,482.09/3,182.04
  6. Step 6: Final answer
    x = 2,561.09

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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.