Home / 1,403.04-2,105.52-537.36

Finding the Fourth Proportional to 1,403.04, 2,105.52 and 537.36

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Solution

The fourth proportional to 1,403.04, 2,105.52 and 537.36 is: 806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403.04 : 2,105.52 = 537.36 : x
  2. Step 2: Convert to fraction form
    1,403.04/2,105.52 = 537.36/x
  3. Step 3: Cross multiply
    1,403.04x = 2,105.52 × 537.36
  4. Step 4: Simplify right side
    1,403.04x = 1,131,422.23
  5. Step 5: Solve for x
    x = 1,131,422.23/1,403.04
  6. Step 6: Final answer
    x = 806.41

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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.