Home / 1,035.60-1,429.08-587.49

Finding the Fourth Proportional to 1,035.60, 1,429.08 and 587.49

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Solution

The fourth proportional to 1,035.60, 1,429.08 and 587.49 is: 810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.60 : 1,429.08 = 587.49 : x
  2. Step 2: Convert to fraction form
    1,035.60/1,429.08 = 587.49/x
  3. Step 3: Cross multiply
    1,035.60x = 1,429.08 × 587.49
  4. Step 4: Simplify right side
    1,035.60x = 839,570.21
  5. Step 5: Solve for x
    x = 839,570.21/1,035.60
  6. Step 6: Final answer
    x = 810.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.