Home / 3,680.48-5,083.44-2,985.44

Finding the Fourth Proportional to 3,680.48, 5,083.44 and 2,985.44

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Solution

The fourth proportional to 3,680.48, 5,083.44 and 2,985.44 is: 4,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.48 : 5,083.44 = 2,985.44 : x
  2. Step 2: Convert to fraction form
    3,680.48/5,083.44 = 2,985.44/x
  3. Step 3: Cross multiply
    3,680.48x = 5,083.44 × 2,985.44
  4. Step 4: Simplify right side
    3,680.48x = 15,176,305.11
  5. Step 5: Solve for x
    x = 15,176,305.11/3,680.48
  6. Step 6: Final answer
    x = 4,123.46

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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.