Home / 1,676.60-2,518.85-1,583.35

Finding the Fourth Proportional to 1,676.60, 2,518.85 and 1,583.35

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Solution

The fourth proportional to 1,676.60, 2,518.85 and 1,583.35 is: 2,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.60 : 2,518.85 = 1,583.35 : x
  2. Step 2: Convert to fraction form
    1,676.60/2,518.85 = 1,583.35/x
  3. Step 3: Cross multiply
    1,676.60x = 2,518.85 × 1,583.35
  4. Step 4: Simplify right side
    1,676.60x = 3,988,213.23
  5. Step 5: Solve for x
    x = 3,988,213.23/1,676.60
  6. Step 6: Final answer
    x = 2,378.76

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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.