Home / 1,534.30-2,301.52-438.83

Finding the Fourth Proportional to 1,534.30, 2,301.52 and 438.83

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Solution

The fourth proportional to 1,534.30, 2,301.52 and 438.83 is: 658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.30 : 2,301.52 = 438.83 : x
  2. Step 2: Convert to fraction form
    1,534.30/2,301.52 = 438.83/x
  3. Step 3: Cross multiply
    1,534.30x = 2,301.52 × 438.83
  4. Step 4: Simplify right side
    1,534.30x = 1,009,964.51
  5. Step 5: Solve for x
    x = 1,009,964.51/1,534.30
  6. Step 6: Final answer
    x = 658.26

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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.