Home / 1,741.68-2,611.58-1,307.93

Finding the Fourth Proportional to 1,741.68, 2,611.58 and 1,307.93

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Solution

The fourth proportional to 1,741.68, 2,611.58 and 1,307.93 is: 1,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.68 : 2,611.58 = 1,307.93 : x
  2. Step 2: Convert to fraction form
    1,741.68/2,611.58 = 1,307.93/x
  3. Step 3: Cross multiply
    1,741.68x = 2,611.58 × 1,307.93
  4. Step 4: Simplify right side
    1,741.68x = 3,415,744.23
  5. Step 5: Solve for x
    x = 3,415,744.23/1,741.68
  6. Step 6: Final answer
    x = 1,961.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.