Home / 1,549.31-2,137.23-1,175.67

Finding the Fourth Proportional to 1,549.31, 2,137.23 and 1,175.67

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Solution

The fourth proportional to 1,549.31, 2,137.23 and 1,175.67 is: 1,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.31 : 2,137.23 = 1,175.67 : x
  2. Step 2: Convert to fraction form
    1,549.31/2,137.23 = 1,175.67/x
  3. Step 3: Cross multiply
    1,549.31x = 2,137.23 × 1,175.67
  4. Step 4: Simplify right side
    1,549.31x = 2,512,677.19
  5. Step 5: Solve for x
    x = 2,512,677.19/1,549.31
  6. Step 6: Final answer
    x = 1,621.81

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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.