Home / 1,035.70-1,429.18-587.57

Finding the Fourth Proportional to 1,035.70, 1,429.18 and 587.57

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Solution

The fourth proportional to 1,035.70, 1,429.18 and 587.57 is: 810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.70 : 1,429.18 = 587.57 : x
  2. Step 2: Convert to fraction form
    1,035.70/1,429.18 = 587.57/x
  3. Step 3: Cross multiply
    1,035.70x = 1,429.18 × 587.57
  4. Step 4: Simplify right side
    1,035.70x = 839,734.68
  5. Step 5: Solve for x
    x = 839,734.68/1,035.70
  6. Step 6: Final answer
    x = 810.79

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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.