Home / 1,032.03-1,549.02-640.84

Finding the Fourth Proportional to 1,032.03, 1,549.02 and 640.84

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Solution

The fourth proportional to 1,032.03, 1,549.02 and 640.84 is: 961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.03 : 1,549.02 = 640.84 : x
  2. Step 2: Convert to fraction form
    1,032.03/1,549.02 = 640.84/x
  3. Step 3: Cross multiply
    1,032.03x = 1,549.02 × 640.84
  4. Step 4: Simplify right side
    1,032.03x = 992,672.37
  5. Step 5: Solve for x
    x = 992,672.37/1,032.03
  6. Step 6: Final answer
    x = 961.87

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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.