Home / 3,611.08-5,417.02-1,419.52

Finding the Fourth Proportional to 3,611.08, 5,417.02 and 1,419.52

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Solution

The fourth proportional to 3,611.08, 5,417.02 and 1,419.52 is: 2,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.08 : 5,417.02 = 1,419.52 : x
  2. Step 2: Convert to fraction form
    3,611.08/5,417.02 = 1,419.52/x
  3. Step 3: Cross multiply
    3,611.08x = 5,417.02 × 1,419.52
  4. Step 4: Simplify right side
    3,611.08x = 7,689,568.23
  5. Step 5: Solve for x
    x = 7,689,568.23/3,611.08
  6. Step 6: Final answer
    x = 2,129.44

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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.