Home / 1,763.21-2,642.81-1,370.29

Finding the Fourth Proportional to 1,763.21, 2,642.81 and 1,370.29

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Solution

The fourth proportional to 1,763.21, 2,642.81 and 1,370.29 is: 2,053.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.21 : 2,642.81 = 1,370.29 : x
  2. Step 2: Convert to fraction form
    1,763.21/2,642.81 = 1,370.29/x
  3. Step 3: Cross multiply
    1,763.21x = 2,642.81 × 1,370.29
  4. Step 4: Simplify right side
    1,763.21x = 3,621,416.11
  5. Step 5: Solve for x
    x = 3,621,416.11/1,763.21
  6. Step 6: Final answer
    x = 2,053.88

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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.