Home / 2,611.09-3,603.30-1,432.19

Finding the Fourth Proportional to 2,611.09, 3,603.30 and 1,432.19

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Solution

The fourth proportional to 2,611.09, 3,603.30 and 1,432.19 is: 1,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.09 : 3,603.30 = 1,432.19 : x
  2. Step 2: Convert to fraction form
    2,611.09/3,603.30 = 1,432.19/x
  3. Step 3: Cross multiply
    2,611.09x = 3,603.30 × 1,432.19
  4. Step 4: Simplify right side
    2,611.09x = 5,160,592.21
  5. Step 5: Solve for x
    x = 5,160,592.21/2,611.09
  6. Step 6: Final answer
    x = 1,976.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.