Home / 1,785.13-2,463.49-999.18

Finding the Fourth Proportional to 1,785.13, 2,463.49 and 999.18

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Solution

The fourth proportional to 1,785.13, 2,463.49 and 999.18 is: 1,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.13 : 2,463.49 = 999.18 : x
  2. Step 2: Convert to fraction form
    1,785.13/2,463.49 = 999.18/x
  3. Step 3: Cross multiply
    1,785.13x = 2,463.49 × 999.18
  4. Step 4: Simplify right side
    1,785.13x = 2,461,469.94
  5. Step 5: Solve for x
    x = 2,461,469.94/1,785.13
  6. Step 6: Final answer
    x = 1,378.87

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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.