Home / 1,995.19-2,988.14-1,925.98

Finding the Fourth Proportional to 1,995.19, 2,988.14 and 1,925.98

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Solution

The fourth proportional to 1,995.19, 2,988.14 and 1,925.98 is: 2,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.19 : 2,988.14 = 1,925.98 : x
  2. Step 2: Convert to fraction form
    1,995.19/2,988.14 = 1,925.98/x
  3. Step 3: Cross multiply
    1,995.19x = 2,988.14 × 1,925.98
  4. Step 4: Simplify right side
    1,995.19x = 5,755,097.88
  5. Step 5: Solve for x
    x = 5,755,097.88/1,995.19
  6. Step 6: Final answer
    x = 2,884.49

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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.