Home / 3,706.30-5,555.05-1,856.86

Finding the Fourth Proportional to 3,706.30, 5,555.05 and 1,856.86

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Solution

The fourth proportional to 3,706.30, 5,555.05 and 1,856.86 is: 2,783.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.30 : 5,555.05 = 1,856.86 : x
  2. Step 2: Convert to fraction form
    3,706.30/5,555.05 = 1,856.86/x
  3. Step 3: Cross multiply
    3,706.30x = 5,555.05 × 1,856.86
  4. Step 4: Simplify right side
    3,706.30x = 10,314,950.14
  5. Step 5: Solve for x
    x = 10,314,950.14/3,706.30
  6. Step 6: Final answer
    x = 2,783.09

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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.