Home / 3,312.51-4,992.58-2,855.80

Finding the Fourth Proportional to 3,312.51, 4,992.58 and 2,855.80

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Solution

The fourth proportional to 3,312.51, 4,992.58 and 2,855.80 is: 4,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.51 : 4,992.58 = 2,855.80 : x
  2. Step 2: Convert to fraction form
    3,312.51/4,992.58 = 2,855.80/x
  3. Step 3: Cross multiply
    3,312.51x = 4,992.58 × 2,855.80
  4. Step 4: Simplify right side
    3,312.51x = 14,257,819.77
  5. Step 5: Solve for x
    x = 14,257,819.77/3,312.51
  6. Step 6: Final answer
    x = 4,304.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.