Home / 1,419.17-2,129.58-597.38

Finding the Fourth Proportional to 1,419.17, 2,129.58 and 597.38

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Solution

The fourth proportional to 1,419.17, 2,129.58 and 597.38 is: 896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.17 : 2,129.58 = 597.38 : x
  2. Step 2: Convert to fraction form
    1,419.17/2,129.58 = 597.38/x
  3. Step 3: Cross multiply
    1,419.17x = 2,129.58 × 597.38
  4. Step 4: Simplify right side
    1,419.17x = 1,272,157.85
  5. Step 5: Solve for x
    x = 1,272,157.85/1,419.17
  6. Step 6: Final answer
    x = 896.41

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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.