Home / 3,537.70-5,307.57-1,688.87

Finding the Fourth Proportional to 3,537.70, 5,307.57 and 1,688.87

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Solution

The fourth proportional to 3,537.70, 5,307.57 and 1,688.87 is: 2,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.70 : 5,307.57 = 1,688.87 : x
  2. Step 2: Convert to fraction form
    3,537.70/5,307.57 = 1,688.87/x
  3. Step 3: Cross multiply
    3,537.70x = 5,307.57 × 1,688.87
  4. Step 4: Simplify right side
    3,537.70x = 8,963,795.75
  5. Step 5: Solve for x
    x = 8,963,795.75/3,537.70
  6. Step 6: Final answer
    x = 2,533.79

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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.