Home / 3,150.48-4,726.40-959.36

Finding the Fourth Proportional to 3,150.48, 4,726.40 and 959.36

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Solution

The fourth proportional to 3,150.48, 4,726.40 and 959.36 is: 1,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.48 : 4,726.40 = 959.36 : x
  2. Step 2: Convert to fraction form
    3,150.48/4,726.40 = 959.36/x
  3. Step 3: Cross multiply
    3,150.48x = 4,726.40 × 959.36
  4. Step 4: Simplify right side
    3,150.48x = 4,534,319.10
  5. Step 5: Solve for x
    x = 4,534,319.10/3,150.48
  6. Step 6: Final answer
    x = 1,439.25

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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.