Home / 1,623.38-2,240.26-924.75

Finding the Fourth Proportional to 1,623.38, 2,240.26 and 924.75

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Solution

The fourth proportional to 1,623.38, 2,240.26 and 924.75 is: 1,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.38 : 2,240.26 = 924.75 : x
  2. Step 2: Convert to fraction form
    1,623.38/2,240.26 = 924.75/x
  3. Step 3: Cross multiply
    1,623.38x = 2,240.26 × 924.75
  4. Step 4: Simplify right side
    1,623.38x = 2,071,678.12
  5. Step 5: Solve for x
    x = 2,071,678.12/1,623.38
  6. Step 6: Final answer
    x = 1,276.16

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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.