Home / 2,874.18-4,309.91-1,995.98

Finding the Fourth Proportional to 2,874.18, 4,309.91 and 1,995.98

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Solution

The fourth proportional to 2,874.18, 4,309.91 and 1,995.98 is: 2,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.18 : 4,309.91 = 1,995.98 : x
  2. Step 2: Convert to fraction form
    2,874.18/4,309.91 = 1,995.98/x
  3. Step 3: Cross multiply
    2,874.18x = 4,309.91 × 1,995.98
  4. Step 4: Simplify right side
    2,874.18x = 8,602,470.12
  5. Step 5: Solve for x
    x = 8,602,470.12/2,874.18
  6. Step 6: Final answer
    x = 2,993.01

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1.5x scale

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.