Home / 3,676.80-5,070.48-2,418.72

Finding the Fourth Proportional to 3,676.80, 5,070.48 and 2,418.72

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Solution

The fourth proportional to 3,676.80, 5,070.48 and 2,418.72 is: 3,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.80 : 5,070.48 = 2,418.72 : x
  2. Step 2: Convert to fraction form
    3,676.80/5,070.48 = 2,418.72/x
  3. Step 3: Cross multiply
    3,676.80x = 5,070.48 × 2,418.72
  4. Step 4: Simplify right side
    3,676.80x = 12,264,071.39
  5. Step 5: Solve for x
    x = 12,264,071.39/3,676.80
  6. Step 6: Final answer
    x = 3,335.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.