Home / 1,731.90-2,596.30-636.01

Finding the Fourth Proportional to 1,731.90, 2,596.30 and 636.01

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Solution

The fourth proportional to 1,731.90, 2,596.30 and 636.01 is: 953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.90 : 2,596.30 = 636.01 : x
  2. Step 2: Convert to fraction form
    1,731.90/2,596.30 = 636.01/x
  3. Step 3: Cross multiply
    1,731.90x = 2,596.30 × 636.01
  4. Step 4: Simplify right side
    1,731.90x = 1,651,272.76
  5. Step 5: Solve for x
    x = 1,651,272.76/1,731.90
  6. Step 6: Final answer
    x = 953.45

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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.