Home / 1,433.36-2,150.03-948.58

Finding the Fourth Proportional to 1,433.36, 2,150.03 and 948.58

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Solution

The fourth proportional to 1,433.36, 2,150.03 and 948.58 is: 1,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.36 : 2,150.03 = 948.58 : x
  2. Step 2: Convert to fraction form
    1,433.36/2,150.03 = 948.58/x
  3. Step 3: Cross multiply
    1,433.36x = 2,150.03 × 948.58
  4. Step 4: Simplify right side
    1,433.36x = 2,039,475.46
  5. Step 5: Solve for x
    x = 2,039,475.46/1,433.36
  6. Step 6: Final answer
    x = 1,422.86

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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.