Home / 2,976.06-4,106.59-1,649.59

Finding the Fourth Proportional to 2,976.06, 4,106.59 and 1,649.59

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Solution

The fourth proportional to 2,976.06, 4,106.59 and 1,649.59 is: 2,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.06 : 4,106.59 = 1,649.59 : x
  2. Step 2: Convert to fraction form
    2,976.06/4,106.59 = 1,649.59/x
  3. Step 3: Cross multiply
    2,976.06x = 4,106.59 × 1,649.59
  4. Step 4: Simplify right side
    2,976.06x = 6,774,189.80
  5. Step 5: Solve for x
    x = 6,774,189.80/2,976.06
  6. Step 6: Final answer
    x = 2,276.23

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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.