Home / 2,458.20-3,689.16-1,676.35

Finding the Fourth Proportional to 2,458.20, 3,689.16 and 1,676.35

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Solution

The fourth proportional to 2,458.20, 3,689.16 and 1,676.35 is: 2,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.20 : 3,689.16 = 1,676.35 : x
  2. Step 2: Convert to fraction form
    2,458.20/3,689.16 = 1,676.35/x
  3. Step 3: Cross multiply
    2,458.20x = 3,689.16 × 1,676.35
  4. Step 4: Simplify right side
    2,458.20x = 6,184,307.86
  5. Step 5: Solve for x
    x = 6,184,307.86/2,458.20
  6. Step 6: Final answer
    x = 2,515.79

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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.