Home / 1,623.49-2,240.14-960.10

Finding the Fourth Proportional to 1,623.49, 2,240.14 and 960.10

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Solution

The fourth proportional to 1,623.49, 2,240.14 and 960.10 is: 1,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.49 : 2,240.14 = 960.10 : x
  2. Step 2: Convert to fraction form
    1,623.49/2,240.14 = 960.10/x
  3. Step 3: Cross multiply
    1,623.49x = 2,240.14 × 960.10
  4. Step 4: Simplify right side
    1,623.49x = 2,150,763.21
  5. Step 5: Solve for x
    x = 2,150,763.21/1,623.49
  6. Step 6: Final answer
    x = 1,324.77

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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.