Home / 2,904.12-4,338.50-1,855.71

Finding the Fourth Proportional to 2,904.12, 4,338.50 and 1,855.71

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Solution

The fourth proportional to 2,904.12, 4,338.50 and 1,855.71 is: 2,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.12 : 4,338.50 = 1,855.71 : x
  2. Step 2: Convert to fraction form
    2,904.12/4,338.50 = 1,855.71/x
  3. Step 3: Cross multiply
    2,904.12x = 4,338.50 × 1,855.71
  4. Step 4: Simplify right side
    2,904.12x = 8,050,997.84
  5. Step 5: Solve for x
    x = 8,050,997.84/2,904.12
  6. Step 6: Final answer
    x = 2,772.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.