Home / 2,153.38-2,964.96-1,623

Finding the Fourth Proportional to 2,153.38, 2,964.96 and 1,623

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Solution

The fourth proportional to 2,153.38, 2,964.96 and 1,623 is: 2,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.38 : 2,964.96 = 1,623 : x
  2. Step 2: Convert to fraction form
    2,153.38/2,964.96 = 1,623/x
  3. Step 3: Cross multiply
    2,153.38x = 2,964.96 × 1,623
  4. Step 4: Simplify right side
    2,153.38x = 4,812,130.08
  5. Step 5: Solve for x
    x = 4,812,130.08/2,153.38
  6. Step 6: Final answer
    x = 2,234.69

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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.