Home / 1,741.12-2,611.80-508.51

Finding the Fourth Proportional to 1,741.12, 2,611.80 and 508.51

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Solution

The fourth proportional to 1,741.12, 2,611.80 and 508.51 is: 762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.12 : 2,611.80 = 508.51 : x
  2. Step 2: Convert to fraction form
    1,741.12/2,611.80 = 508.51/x
  3. Step 3: Cross multiply
    1,741.12x = 2,611.80 × 508.51
  4. Step 4: Simplify right side
    1,741.12x = 1,328,126.42
  5. Step 5: Solve for x
    x = 1,328,126.42/1,741.12
  6. Step 6: Final answer
    x = 762.80

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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.