Home / 1,035.12-1,553.90-602.58

Finding the Fourth Proportional to 1,035.12, 1,553.90 and 602.58

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Solution

The fourth proportional to 1,035.12, 1,553.90 and 602.58 is: 904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.12 : 1,553.90 = 602.58 : x
  2. Step 2: Convert to fraction form
    1,035.12/1,553.90 = 602.58/x
  3. Step 3: Cross multiply
    1,035.12x = 1,553.90 × 602.58
  4. Step 4: Simplify right side
    1,035.12x = 936,346.05
  5. Step 5: Solve for x
    x = 936,346.05/1,035.12
  6. Step 6: Final answer
    x = 904.58

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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.