Home / 2,611.13-3,603.35-1,432.22

Finding the Fourth Proportional to 2,611.13, 3,603.35 and 1,432.22

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Solution

The fourth proportional to 2,611.13, 3,603.35 and 1,432.22 is: 1,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.13 : 3,603.35 = 1,432.22 : x
  2. Step 2: Convert to fraction form
    2,611.13/3,603.35 = 1,432.22/x
  3. Step 3: Cross multiply
    2,611.13x = 3,603.35 × 1,432.22
  4. Step 4: Simplify right side
    2,611.13x = 5,160,775.50
  5. Step 5: Solve for x
    x = 5,160,775.50/2,611.13
  6. Step 6: Final answer
    x = 1,976.46

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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.