Home / 1,512.42-2,086.64-1,232.17

Finding the Fourth Proportional to 1,512.42, 2,086.64 and 1,232.17

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Solution

The fourth proportional to 1,512.42, 2,086.64 and 1,232.17 is: 1,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.42 : 2,086.64 = 1,232.17 : x
  2. Step 2: Convert to fraction form
    1,512.42/2,086.64 = 1,232.17/x
  3. Step 3: Cross multiply
    1,512.42x = 2,086.64 × 1,232.17
  4. Step 4: Simplify right side
    1,512.42x = 2,571,090.86
  5. Step 5: Solve for x
    x = 2,571,090.86/1,512.42
  6. Step 6: Final answer
    x = 1,699.98

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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.