Home / 3,561.48-5,337.90-1,611.72

Finding the Fourth Proportional to 3,561.48, 5,337.90 and 1,611.72

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Solution

The fourth proportional to 3,561.48, 5,337.90 and 1,611.72 is: 2,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.48 : 5,337.90 = 1,611.72 : x
  2. Step 2: Convert to fraction form
    3,561.48/5,337.90 = 1,611.72/x
  3. Step 3: Cross multiply
    3,561.48x = 5,337.90 × 1,611.72
  4. Step 4: Simplify right side
    3,561.48x = 8,603,200.19
  5. Step 5: Solve for x
    x = 8,603,200.19/3,561.48
  6. Step 6: Final answer
    x = 2,415.63

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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.