Home / 3,683.07-5,083.34-2,421.90

Finding the Fourth Proportional to 3,683.07, 5,083.34 and 2,421.90

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Solution

The fourth proportional to 3,683.07, 5,083.34 and 2,421.90 is: 3,342.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.07 : 5,083.34 = 2,421.90 : x
  2. Step 2: Convert to fraction form
    3,683.07/5,083.34 = 2,421.90/x
  3. Step 3: Cross multiply
    3,683.07x = 5,083.34 × 2,421.90
  4. Step 4: Simplify right side
    3,683.07x = 12,311,341.15
  5. Step 5: Solve for x
    x = 12,311,341.15/3,683.07
  6. Step 6: Final answer
    x = 3,342.68

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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.