Home / 1,760.55-2,638.35-1,368.77

Finding the Fourth Proportional to 1,760.55, 2,638.35 and 1,368.77

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Solution

The fourth proportional to 1,760.55, 2,638.35 and 1,368.77 is: 2,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.55 : 2,638.35 = 1,368.77 : x
  2. Step 2: Convert to fraction form
    1,760.55/2,638.35 = 1,368.77/x
  3. Step 3: Cross multiply
    1,760.55x = 2,638.35 × 1,368.77
  4. Step 4: Simplify right side
    1,760.55x = 3,611,281.14
  5. Step 5: Solve for x
    x = 3,611,281.14/1,760.55
  6. Step 6: Final answer
    x = 2,051.22

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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.