Home / 3,151.30-4,726.26-959.59

Finding the Fourth Proportional to 3,151.30, 4,726.26 and 959.59

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Solution

The fourth proportional to 3,151.30, 4,726.26 and 959.59 is: 1,439.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.30 : 4,726.26 = 959.59 : x
  2. Step 2: Convert to fraction form
    3,151.30/4,726.26 = 959.59/x
  3. Step 3: Cross multiply
    3,151.30x = 4,726.26 × 959.59
  4. Step 4: Simplify right side
    3,151.30x = 4,535,271.83
  5. Step 5: Solve for x
    x = 4,535,271.83/3,151.30
  6. Step 6: Final answer
    x = 1,439.17

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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.