Home / 1,677.60-2,518.47-1,611.54

Finding the Fourth Proportional to 1,677.60, 2,518.47 and 1,611.54

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Solution

The fourth proportional to 1,677.60, 2,518.47 and 1,611.54 is: 2,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.60 : 2,518.47 = 1,611.54 : x
  2. Step 2: Convert to fraction form
    1,677.60/2,518.47 = 1,611.54/x
  3. Step 3: Cross multiply
    1,677.60x = 2,518.47 × 1,611.54
  4. Step 4: Simplify right side
    1,677.60x = 4,058,615.14
  5. Step 5: Solve for x
    x = 4,058,615.14/1,677.60
  6. Step 6: Final answer
    x = 2,419.30

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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.