Home / 3,875.56-5,813.39-1,102.30

Finding the Fourth Proportional to 3,875.56, 5,813.39 and 1,102.30

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Solution

The fourth proportional to 3,875.56, 5,813.39 and 1,102.30 is: 1,653.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.56 : 5,813.39 = 1,102.30 : x
  2. Step 2: Convert to fraction form
    3,875.56/5,813.39 = 1,102.30/x
  3. Step 3: Cross multiply
    3,875.56x = 5,813.39 × 1,102.30
  4. Step 4: Simplify right side
    3,875.56x = 6,408,099.80
  5. Step 5: Solve for x
    x = 6,408,099.80/3,875.56
  6. Step 6: Final answer
    x = 1,653.46

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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.