Home / 1,083.37-1,631.74-1,031.53

Finding the Fourth Proportional to 1,083.37, 1,631.74 and 1,031.53

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Solution

The fourth proportional to 1,083.37, 1,631.74 and 1,031.53 is: 1,553.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.37 : 1,631.74 = 1,031.53 : x
  2. Step 2: Convert to fraction form
    1,083.37/1,631.74 = 1,031.53/x
  3. Step 3: Cross multiply
    1,083.37x = 1,631.74 × 1,031.53
  4. Step 4: Simplify right side
    1,083.37x = 1,683,188.76
  5. Step 5: Solve for x
    x = 1,683,188.76/1,083.37
  6. Step 6: Final answer
    x = 1,553.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.