Home / 3,417.33-5,122.80-1,855.05

Finding the Fourth Proportional to 3,417.33, 5,122.80 and 1,855.05

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Solution

The fourth proportional to 3,417.33, 5,122.80 and 1,855.05 is: 2,780.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.33 : 5,122.80 = 1,855.05 : x
  2. Step 2: Convert to fraction form
    3,417.33/5,122.80 = 1,855.05/x
  3. Step 3: Cross multiply
    3,417.33x = 5,122.80 × 1,855.05
  4. Step 4: Simplify right side
    3,417.33x = 9,503,050.14
  5. Step 5: Solve for x
    x = 9,503,050.14/3,417.33
  6. Step 6: Final answer
    x = 2,780.84

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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.