Home / 1,082.07-1,623.10-260.34

Finding the Fourth Proportional to 1,082.07, 1,623.10 and 260.34

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Solution

The fourth proportional to 1,082.07, 1,623.10 and 260.34 is: 390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.07 : 1,623.10 = 260.34 : x
  2. Step 2: Convert to fraction form
    1,082.07/1,623.10 = 260.34/x
  3. Step 3: Cross multiply
    1,082.07x = 1,623.10 × 260.34
  4. Step 4: Simplify right side
    1,082.07x = 422,555.44
  5. Step 5: Solve for x
    x = 422,555.44/1,082.07
  6. Step 6: Final answer
    x = 390.51

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.