Home / 3,454.09-4,765.01-2,127.31

Finding the Fourth Proportional to 3,454.09, 4,765.01 and 2,127.31

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Solution

The fourth proportional to 3,454.09, 4,765.01 and 2,127.31 is: 2,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.09 : 4,765.01 = 2,127.31 : x
  2. Step 2: Convert to fraction form
    3,454.09/4,765.01 = 2,127.31/x
  3. Step 3: Cross multiply
    3,454.09x = 4,765.01 × 2,127.31
  4. Step 4: Simplify right side
    3,454.09x = 10,136,618.96
  5. Step 5: Solve for x
    x = 10,136,618.96/3,454.09
  6. Step 6: Final answer
    x = 2,934.68

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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.