Home / 1,730.91-2,386.77-1,170.41

Finding the Fourth Proportional to 1,730.91, 2,386.77 and 1,170.41

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Solution

The fourth proportional to 1,730.91, 2,386.77 and 1,170.41 is: 1,613.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.91 : 2,386.77 = 1,170.41 : x
  2. Step 2: Convert to fraction form
    1,730.91/2,386.77 = 1,170.41/x
  3. Step 3: Cross multiply
    1,730.91x = 2,386.77 × 1,170.41
  4. Step 4: Simplify right side
    1,730.91x = 2,793,487.54
  5. Step 5: Solve for x
    x = 2,793,487.54/1,730.91
  6. Step 6: Final answer
    x = 1,613.88

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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.