Home / 3,559.10-5,338.60-1,611.30

Finding the Fourth Proportional to 3,559.10, 5,338.60 and 1,611.30

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Solution

The fourth proportional to 3,559.10, 5,338.60 and 1,611.30 is: 2,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.10 : 5,338.60 = 1,611.30 : x
  2. Step 2: Convert to fraction form
    3,559.10/5,338.60 = 1,611.30/x
  3. Step 3: Cross multiply
    3,559.10x = 5,338.60 × 1,611.30
  4. Step 4: Simplify right side
    3,559.10x = 8,602,086.18
  5. Step 5: Solve for x
    x = 8,602,086.18/3,559.10
  6. Step 6: Final answer
    x = 2,416.93

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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.