Home / 2,999.16-4,498.76-1,959.66

Finding the Fourth Proportional to 2,999.16, 4,498.76 and 1,959.66

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Solution

The fourth proportional to 2,999.16, 4,498.76 and 1,959.66 is: 2,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.16 : 4,498.76 = 1,959.66 : x
  2. Step 2: Convert to fraction form
    2,999.16/4,498.76 = 1,959.66/x
  3. Step 3: Cross multiply
    2,999.16x = 4,498.76 × 1,959.66
  4. Step 4: Simplify right side
    2,999.16x = 8,816,044.92
  5. Step 5: Solve for x
    x = 8,816,044.92/2,999.16
  6. Step 6: Final answer
    x = 2,939.50

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1.5x scale

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.