Home / 1,635.50-2,450.95-710.35

Finding the Fourth Proportional to 1,635.50, 2,450.95 and 710.35

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Solution

The fourth proportional to 1,635.50, 2,450.95 and 710.35 is: 1,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.50 : 2,450.95 = 710.35 : x
  2. Step 2: Convert to fraction form
    1,635.50/2,450.95 = 710.35/x
  3. Step 3: Cross multiply
    1,635.50x = 2,450.95 × 710.35
  4. Step 4: Simplify right side
    1,635.50x = 1,741,032.33
  5. Step 5: Solve for x
    x = 1,741,032.33/1,635.50
  6. Step 6: Final answer
    x = 1,064.53

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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.