Home / 1,035.90-1,554.66-386.82

Finding the Fourth Proportional to 1,035.90, 1,554.66 and 386.82

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Solution

The fourth proportional to 1,035.90, 1,554.66 and 386.82 is: 580.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.90 : 1,554.66 = 386.82 : x
  2. Step 2: Convert to fraction form
    1,035.90/1,554.66 = 386.82/x
  3. Step 3: Cross multiply
    1,035.90x = 1,554.66 × 386.82
  4. Step 4: Simplify right side
    1,035.90x = 601,373.58
  5. Step 5: Solve for x
    x = 601,373.58/1,035.90
  6. Step 6: Final answer
    x = 580.53

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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.