Home / 1,785.19-2,463.56-999.23

Finding the Fourth Proportional to 1,785.19, 2,463.56 and 999.23

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Solution

The fourth proportional to 1,785.19, 2,463.56 and 999.23 is: 1,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.19 : 2,463.56 = 999.23 : x
  2. Step 2: Convert to fraction form
    1,785.19/2,463.56 = 999.23/x
  3. Step 3: Cross multiply
    1,785.19x = 2,463.56 × 999.23
  4. Step 4: Simplify right side
    1,785.19x = 2,461,671.72
  5. Step 5: Solve for x
    x = 2,461,671.72/1,785.19
  6. Step 6: Final answer
    x = 1,378.94

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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.