Home / 2,681.98-4,018.10-2,623.66

Finding the Fourth Proportional to 2,681.98, 4,018.10 and 2,623.66

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Solution

The fourth proportional to 2,681.98, 4,018.10 and 2,623.66 is: 3,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.98 : 4,018.10 = 2,623.66 : x
  2. Step 2: Convert to fraction form
    2,681.98/4,018.10 = 2,623.66/x
  3. Step 3: Cross multiply
    2,681.98x = 4,018.10 × 2,623.66
  4. Step 4: Simplify right side
    2,681.98x = 10,542,095.04
  5. Step 5: Solve for x
    x = 10,542,095.04/2,681.98
  6. Step 6: Final answer
    x = 3,930.72

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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.