Home / 1,739.88-2,597.19-1,611.40

Finding the Fourth Proportional to 1,739.88, 2,597.19 and 1,611.40

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Solution

The fourth proportional to 1,739.88, 2,597.19 and 1,611.40 is: 2,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.88 : 2,597.19 = 1,611.40 : x
  2. Step 2: Convert to fraction form
    1,739.88/2,597.19 = 1,611.40/x
  3. Step 3: Cross multiply
    1,739.88x = 2,597.19 × 1,611.40
  4. Step 4: Simplify right side
    1,739.88x = 4,185,111.97
  5. Step 5: Solve for x
    x = 4,185,111.97/1,739.88
  6. Step 6: Final answer
    x = 2,405.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.