Home / 2,611.27-3,603.71-1,725.53

Finding the Fourth Proportional to 2,611.27, 3,603.71 and 1,725.53

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Solution

The fourth proportional to 2,611.27, 3,603.71 and 1,725.53 is: 2,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.27 : 3,603.71 = 1,725.53 : x
  2. Step 2: Convert to fraction form
    2,611.27/3,603.71 = 1,725.53/x
  3. Step 3: Cross multiply
    2,611.27x = 3,603.71 × 1,725.53
  4. Step 4: Simplify right side
    2,611.27x = 6,218,301.09
  5. Step 5: Solve for x
    x = 6,218,301.09/2,611.27
  6. Step 6: Final answer
    x = 2,381.34

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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.