Home / 2,097.12-2,892.08-1,623.48

Finding the Fourth Proportional to 2,097.12, 2,892.08 and 1,623.48

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Solution

The fourth proportional to 2,097.12, 2,892.08 and 1,623.48 is: 2,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.12 : 2,892.08 = 1,623.48 : x
  2. Step 2: Convert to fraction form
    2,097.12/2,892.08 = 1,623.48/x
  3. Step 3: Cross multiply
    2,097.12x = 2,892.08 × 1,623.48
  4. Step 4: Simplify right side
    2,097.12x = 4,695,234.04
  5. Step 5: Solve for x
    x = 4,695,234.04/2,097.12
  6. Step 6: Final answer
    x = 2,238.90

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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.