Home / 2,391.41-3,581.65-2,351.32

Finding the Fourth Proportional to 2,391.41, 3,581.65 and 2,351.32

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Solution

The fourth proportional to 2,391.41, 3,581.65 and 2,351.32 is: 3,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.41 : 3,581.65 = 2,351.32 : x
  2. Step 2: Convert to fraction form
    2,391.41/3,581.65 = 2,351.32/x
  3. Step 3: Cross multiply
    2,391.41x = 3,581.65 × 2,351.32
  4. Step 4: Simplify right side
    2,391.41x = 8,421,605.28
  5. Step 5: Solve for x
    x = 8,421,605.28/2,391.41
  6. Step 6: Final answer
    x = 3,521.61

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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.