Home / 1,785.03-2,463.39-999.14

Finding the Fourth Proportional to 1,785.03, 2,463.39 and 999.14

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Solution

The fourth proportional to 1,785.03, 2,463.39 and 999.14 is: 1,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.03 : 2,463.39 = 999.14 : x
  2. Step 2: Convert to fraction form
    1,785.03/2,463.39 = 999.14/x
  3. Step 3: Cross multiply
    1,785.03x = 2,463.39 × 999.14
  4. Step 4: Simplify right side
    1,785.03x = 2,461,259.17
  5. Step 5: Solve for x
    x = 2,461,259.17/1,785.03
  6. Step 6: Final answer
    x = 1,378.83

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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.