Home / 1,082.34-1,623.52-302.36

Finding the Fourth Proportional to 1,082.34, 1,623.52 and 302.36

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Solution

The fourth proportional to 1,082.34, 1,623.52 and 302.36 is: 453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.34 : 1,623.52 = 302.36 : x
  2. Step 2: Convert to fraction form
    1,082.34/1,623.52 = 302.36/x
  3. Step 3: Cross multiply
    1,082.34x = 1,623.52 × 302.36
  4. Step 4: Simplify right side
    1,082.34x = 490,887.51
  5. Step 5: Solve for x
    x = 490,887.51/1,082.34
  6. Step 6: Final answer
    x = 453.54

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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.