Home / 3,379.61-5,065.76-2,459.45

Finding the Fourth Proportional to 3,379.61, 5,065.76 and 2,459.45

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Solution

The fourth proportional to 3,379.61, 5,065.76 and 2,459.45 is: 3,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.61 : 5,065.76 = 2,459.45 : x
  2. Step 2: Convert to fraction form
    3,379.61/5,065.76 = 2,459.45/x
  3. Step 3: Cross multiply
    3,379.61x = 5,065.76 × 2,459.45
  4. Step 4: Simplify right side
    3,379.61x = 12,458,945.81
  5. Step 5: Solve for x
    x = 12,458,945.81/3,379.61
  6. Step 6: Final answer
    x = 3,686.51

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1.5x scale

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.