Home / 1,965.97-2,714.21-1,747.27

Finding the Fourth Proportional to 1,965.97, 2,714.21 and 1,747.27

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Solution

The fourth proportional to 1,965.97, 2,714.21 and 1,747.27 is: 2,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.97 : 2,714.21 = 1,747.27 : x
  2. Step 2: Convert to fraction form
    1,965.97/2,714.21 = 1,747.27/x
  3. Step 3: Cross multiply
    1,965.97x = 2,714.21 × 1,747.27
  4. Step 4: Simplify right side
    1,965.97x = 4,742,457.71
  5. Step 5: Solve for x
    x = 4,742,457.71/1,965.97
  6. Step 6: Final answer
    x = 2,412.27

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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.