Home / 2,939.39-4,056.50-1,613.08

Finding the Fourth Proportional to 2,939.39, 4,056.50 and 1,613.08

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Solution

The fourth proportional to 2,939.39, 4,056.50 and 1,613.08 is: 2,226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.39 : 4,056.50 = 1,613.08 : x
  2. Step 2: Convert to fraction form
    2,939.39/4,056.50 = 1,613.08/x
  3. Step 3: Cross multiply
    2,939.39x = 4,056.50 × 1,613.08
  4. Step 4: Simplify right side
    2,939.39x = 6,543,430.67
  5. Step 5: Solve for x
    x = 6,543,430.67/2,939.39
  6. Step 6: Final answer
    x = 2,226.12

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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.