Home / 3,611.89-5,417.88-1,146.70

Finding the Fourth Proportional to 3,611.89, 5,417.88 and 1,146.70

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Solution

The fourth proportional to 3,611.89, 5,417.88 and 1,146.70 is: 1,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.89 : 5,417.88 = 1,146.70 : x
  2. Step 2: Convert to fraction form
    3,611.89/5,417.88 = 1,146.70/x
  3. Step 3: Cross multiply
    3,611.89x = 5,417.88 × 1,146.70
  4. Step 4: Simplify right side
    3,611.89x = 6,212,683.00
  5. Step 5: Solve for x
    x = 6,212,683.00/3,611.89
  6. Step 6: Final answer
    x = 1,720.06

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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.