Home / 1,363.12-2,043.26-632.09

Finding the Fourth Proportional to 1,363.12, 2,043.26 and 632.09

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Solution

The fourth proportional to 1,363.12, 2,043.26 and 632.09 is: 947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.12 : 2,043.26 = 632.09 : x
  2. Step 2: Convert to fraction form
    1,363.12/2,043.26 = 632.09/x
  3. Step 3: Cross multiply
    1,363.12x = 2,043.26 × 632.09
  4. Step 4: Simplify right side
    1,363.12x = 1,291,528.53
  5. Step 5: Solve for x
    x = 1,291,528.53/1,363.12
  6. Step 6: Final answer
    x = 947.48

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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.