Home / 1,534.30-2,301.19-609.79

Finding the Fourth Proportional to 1,534.30, 2,301.19 and 609.79

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Solution

The fourth proportional to 1,534.30, 2,301.19 and 609.79 is: 914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.30 : 2,301.19 = 609.79 : x
  2. Step 2: Convert to fraction form
    1,534.30/2,301.19 = 609.79/x
  3. Step 3: Cross multiply
    1,534.30x = 2,301.19 × 609.79
  4. Step 4: Simplify right side
    1,534.30x = 1,403,242.65
  5. Step 5: Solve for x
    x = 1,403,242.65/1,534.30
  6. Step 6: Final answer
    x = 914.58

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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.