Home / 1,731.65-2,598.80-1,270.62

Finding the Fourth Proportional to 1,731.65, 2,598.80 and 1,270.62

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Solution

The fourth proportional to 1,731.65, 2,598.80 and 1,270.62 is: 1,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.65 : 2,598.80 = 1,270.62 : x
  2. Step 2: Convert to fraction form
    1,731.65/2,598.80 = 1,270.62/x
  3. Step 3: Cross multiply
    1,731.65x = 2,598.80 × 1,270.62
  4. Step 4: Simplify right side
    1,731.65x = 3,302,080.90
  5. Step 5: Solve for x
    x = 3,302,080.90/1,731.65
  6. Step 6: Final answer
    x = 1,906.90

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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.