Home / 1,730.54-2,387.46-974.15

Finding the Fourth Proportional to 1,730.54, 2,387.46 and 974.15

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Solution

The fourth proportional to 1,730.54, 2,387.46 and 974.15 is: 1,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.54 : 2,387.46 = 974.15 : x
  2. Step 2: Convert to fraction form
    1,730.54/2,387.46 = 974.15/x
  3. Step 3: Cross multiply
    1,730.54x = 2,387.46 × 974.15
  4. Step 4: Simplify right side
    1,730.54x = 2,325,732.22
  5. Step 5: Solve for x
    x = 2,325,732.22/1,730.54
  6. Step 6: Final answer
    x = 1,343.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.