Home / 1,372.67-2,055.81-1,063.53

Finding the Fourth Proportional to 1,372.67, 2,055.81 and 1,063.53

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Solution

The fourth proportional to 1,372.67, 2,055.81 and 1,063.53 is: 1,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.67 : 2,055.81 = 1,063.53 : x
  2. Step 2: Convert to fraction form
    1,372.67/2,055.81 = 1,063.53/x
  3. Step 3: Cross multiply
    1,372.67x = 2,055.81 × 1,063.53
  4. Step 4: Simplify right side
    1,372.67x = 2,186,415.61
  5. Step 5: Solve for x
    x = 2,186,415.61/1,372.67
  6. Step 6: Final answer
    x = 1,592.82

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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.