Home / 2,611.23-3,603.99-1,549.58

Finding the Fourth Proportional to 2,611.23, 3,603.99 and 1,549.58

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Solution

The fourth proportional to 2,611.23, 3,603.99 and 1,549.58 is: 2,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.23 : 3,603.99 = 1,549.58 : x
  2. Step 2: Convert to fraction form
    2,611.23/3,603.99 = 1,549.58/x
  3. Step 3: Cross multiply
    2,611.23x = 3,603.99 × 1,549.58
  4. Step 4: Simplify right side
    2,611.23x = 5,584,670.17
  5. Step 5: Solve for x
    x = 5,584,670.17/2,611.23
  6. Step 6: Final answer
    x = 2,138.72

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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.