Home / 1,532.18-2,112.99-1,090.46

Finding the Fourth Proportional to 1,532.18, 2,112.99 and 1,090.46

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Solution

The fourth proportional to 1,532.18, 2,112.99 and 1,090.46 is: 1,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.18 : 2,112.99 = 1,090.46 : x
  2. Step 2: Convert to fraction form
    1,532.18/2,112.99 = 1,090.46/x
  3. Step 3: Cross multiply
    1,532.18x = 2,112.99 × 1,090.46
  4. Step 4: Simplify right side
    1,532.18x = 2,304,120.51
  5. Step 5: Solve for x
    x = 2,304,120.51/1,532.18
  6. Step 6: Final answer
    x = 1,503.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.