Home / 2,276.19-3,139.38-1,995.95

Finding the Fourth Proportional to 2,276.19, 3,139.38 and 1,995.95

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Solution

The fourth proportional to 2,276.19, 3,139.38 and 1,995.95 is: 2,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.19 : 3,139.38 = 1,995.95 : x
  2. Step 2: Convert to fraction form
    2,276.19/3,139.38 = 1,995.95/x
  3. Step 3: Cross multiply
    2,276.19x = 3,139.38 × 1,995.95
  4. Step 4: Simplify right side
    2,276.19x = 6,266,045.51
  5. Step 5: Solve for x
    x = 6,266,045.51/2,276.19
  6. Step 6: Final answer
    x = 2,752.87

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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.