Home / 3,506.09-5,260.98-1,427.63

Finding the Fourth Proportional to 3,506.09, 5,260.98 and 1,427.63

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Solution

The fourth proportional to 3,506.09, 5,260.98 and 1,427.63 is: 2,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.09 : 5,260.98 = 1,427.63 : x
  2. Step 2: Convert to fraction form
    3,506.09/5,260.98 = 1,427.63/x
  3. Step 3: Cross multiply
    3,506.09x = 5,260.98 × 1,427.63
  4. Step 4: Simplify right side
    3,506.09x = 7,510,732.88
  5. Step 5: Solve for x
    x = 7,510,732.88/3,506.09
  6. Step 6: Final answer
    x = 2,142.20

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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.