Home / 1,785.18-2,463.24-999.24

Finding the Fourth Proportional to 1,785.18, 2,463.24 and 999.24

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Solution

The fourth proportional to 1,785.18, 2,463.24 and 999.24 is: 1,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.18 : 2,463.24 = 999.24 : x
  2. Step 2: Convert to fraction form
    1,785.18/2,463.24 = 999.24/x
  3. Step 3: Cross multiply
    1,785.18x = 2,463.24 × 999.24
  4. Step 4: Simplify right side
    1,785.18x = 2,461,367.94
  5. Step 5: Solve for x
    x = 2,461,367.94/1,785.18
  6. Step 6: Final answer
    x = 1,378.78

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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.