Home / 2,904.38-4,005.32-2,240.18

Finding the Fourth Proportional to 2,904.38, 4,005.32 and 2,240.18

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Solution

The fourth proportional to 2,904.38, 4,005.32 and 2,240.18 is: 3,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.38 : 4,005.32 = 2,240.18 : x
  2. Step 2: Convert to fraction form
    2,904.38/4,005.32 = 2,240.18/x
  3. Step 3: Cross multiply
    2,904.38x = 4,005.32 × 2,240.18
  4. Step 4: Simplify right side
    2,904.38x = 8,972,623.33
  5. Step 5: Solve for x
    x = 8,972,623.33/2,904.38
  6. Step 6: Final answer
    x = 3,089.35

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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.