Home / 3,537.90-5,303.52-1,688.04

Finding the Fourth Proportional to 3,537.90, 5,303.52 and 1,688.04

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Solution

The fourth proportional to 3,537.90, 5,303.52 and 1,688.04 is: 2,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.90 : 5,303.52 = 1,688.04 : x
  2. Step 2: Convert to fraction form
    3,537.90/5,303.52 = 1,688.04/x
  3. Step 3: Cross multiply
    3,537.90x = 5,303.52 × 1,688.04
  4. Step 4: Simplify right side
    3,537.90x = 8,952,553.90
  5. Step 5: Solve for x
    x = 8,952,553.90/3,537.90
  6. Step 6: Final answer
    x = 2,530.47

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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.