Home / 2,995.51-4,133.01-1,876.09

Finding the Fourth Proportional to 2,995.51, 4,133.01 and 1,876.09

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Solution

The fourth proportional to 2,995.51, 4,133.01 and 1,876.09 is: 2,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.51 : 4,133.01 = 1,876.09 : x
  2. Step 2: Convert to fraction form
    2,995.51/4,133.01 = 1,876.09/x
  3. Step 3: Cross multiply
    2,995.51x = 4,133.01 × 1,876.09
  4. Step 4: Simplify right side
    2,995.51x = 7,753,898.73
  5. Step 5: Solve for x
    x = 7,753,898.73/2,995.51
  6. Step 6: Final answer
    x = 2,588.51

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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.