Home / 2,005.54-2,767.11-1,376.26

Finding the Fourth Proportional to 2,005.54, 2,767.11 and 1,376.26

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Solution

The fourth proportional to 2,005.54, 2,767.11 and 1,376.26 is: 1,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.54 : 2,767.11 = 1,376.26 : x
  2. Step 2: Convert to fraction form
    2,005.54/2,767.11 = 1,376.26/x
  3. Step 3: Cross multiply
    2,005.54x = 2,767.11 × 1,376.26
  4. Step 4: Simplify right side
    2,005.54x = 3,808,262.81
  5. Step 5: Solve for x
    x = 3,808,262.81/2,005.54
  6. Step 6: Final answer
    x = 1,898.87

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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.