Home / 2,554.21-3,524.91-1,491.81

Finding the Fourth Proportional to 2,554.21, 3,524.91 and 1,491.81

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Solution

The fourth proportional to 2,554.21, 3,524.91 and 1,491.81 is: 2,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.21 : 3,524.91 = 1,491.81 : x
  2. Step 2: Convert to fraction form
    2,554.21/3,524.91 = 1,491.81/x
  3. Step 3: Cross multiply
    2,554.21x = 3,524.91 × 1,491.81
  4. Step 4: Simplify right side
    2,554.21x = 5,258,495.99
  5. Step 5: Solve for x
    x = 5,258,495.99/2,554.21
  6. Step 6: Final answer
    x = 2,058.76

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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.