Home / 1,995.12-2,988.04-1,925.92

Finding the Fourth Proportional to 1,995.12, 2,988.04 and 1,925.92

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Solution

The fourth proportional to 1,995.12, 2,988.04 and 1,925.92 is: 2,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.12 : 2,988.04 = 1,925.92 : x
  2. Step 2: Convert to fraction form
    1,995.12/2,988.04 = 1,925.92/x
  3. Step 3: Cross multiply
    1,995.12x = 2,988.04 × 1,925.92
  4. Step 4: Simplify right side
    1,995.12x = 5,754,726.00
  5. Step 5: Solve for x
    x = 5,754,726.00/1,995.12
  6. Step 6: Final answer
    x = 2,884.40

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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.