Home / 1,525.06-2,286.78-702.63

Finding the Fourth Proportional to 1,525.06, 2,286.78 and 702.63

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Solution

The fourth proportional to 1,525.06, 2,286.78 and 702.63 is: 1,053.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.06 : 2,286.78 = 702.63 : x
  2. Step 2: Convert to fraction form
    1,525.06/2,286.78 = 702.63/x
  3. Step 3: Cross multiply
    1,525.06x = 2,286.78 × 702.63
  4. Step 4: Simplify right side
    1,525.06x = 1,606,767.98
  5. Step 5: Solve for x
    x = 1,606,767.98/1,525.06
  6. Step 6: Final answer
    x = 1,053.58

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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.