Home / 2,995.20-4,132.98-1,668.73

Finding the Fourth Proportional to 2,995.20, 4,132.98 and 1,668.73

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Solution

The fourth proportional to 2,995.20, 4,132.98 and 1,668.73 is: 2,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.20 : 4,132.98 = 1,668.73 : x
  2. Step 2: Convert to fraction form
    2,995.20/4,132.98 = 1,668.73/x
  3. Step 3: Cross multiply
    2,995.20x = 4,132.98 × 1,668.73
  4. Step 4: Simplify right side
    2,995.20x = 6,896,827.72
  5. Step 5: Solve for x
    x = 6,896,827.72/2,995.20
  6. Step 6: Final answer
    x = 2,302.63

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1.5x scale

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.