Home / 2,507.12-3,458.66-1,623.21

Finding the Fourth Proportional to 2,507.12, 3,458.66 and 1,623.21

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Solution

The fourth proportional to 2,507.12, 3,458.66 and 1,623.21 is: 2,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,507.12 : 3,458.66 = 1,623.21 : x
  2. Step 2: Convert to fraction form
    2,507.12/3,458.66 = 1,623.21/x
  3. Step 3: Cross multiply
    2,507.12x = 3,458.66 × 1,623.21
  4. Step 4: Simplify right side
    2,507.12x = 5,614,123.38
  5. Step 5: Solve for x
    x = 5,614,123.38/2,507.12
  6. Step 6: Final answer
    x = 2,239.28

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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.