Home / 3,140.09-4,333.38-1,723.91

Finding the Fourth Proportional to 3,140.09, 4,333.38 and 1,723.91

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Solution

The fourth proportional to 3,140.09, 4,333.38 and 1,723.91 is: 2,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.09 : 4,333.38 = 1,723.91 : x
  2. Step 2: Convert to fraction form
    3,140.09/4,333.38 = 1,723.91/x
  3. Step 3: Cross multiply
    3,140.09x = 4,333.38 × 1,723.91
  4. Step 4: Simplify right side
    3,140.09x = 7,470,372.26
  5. Step 5: Solve for x
    x = 7,470,372.26/3,140.09
  6. Step 6: Final answer
    x = 2,379.03

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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.