Home / 3,506.29-5,261.44-1,425.91

Finding the Fourth Proportional to 3,506.29, 5,261.44 and 1,425.91

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Solution

The fourth proportional to 3,506.29, 5,261.44 and 1,425.91 is: 2,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.29 : 5,261.44 = 1,425.91 : x
  2. Step 2: Convert to fraction form
    3,506.29/5,261.44 = 1,425.91/x
  3. Step 3: Cross multiply
    3,506.29x = 5,261.44 × 1,425.91
  4. Step 4: Simplify right side
    3,506.29x = 7,502,313.60
  5. Step 5: Solve for x
    x = 7,502,313.60/3,506.29
  6. Step 6: Final answer
    x = 2,139.68

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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.