Home / 1,688.85-2,533.99-1,552.62

Finding the Fourth Proportional to 1,688.85, 2,533.99 and 1,552.62

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Solution

The fourth proportional to 1,688.85, 2,533.99 and 1,552.62 is: 2,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.85 : 2,533.99 = 1,552.62 : x
  2. Step 2: Convert to fraction form
    1,688.85/2,533.99 = 1,552.62/x
  3. Step 3: Cross multiply
    1,688.85x = 2,533.99 × 1,552.62
  4. Step 4: Simplify right side
    1,688.85x = 3,934,323.55
  5. Step 5: Solve for x
    x = 3,934,323.55/1,688.85
  6. Step 6: Final answer
    x = 2,329.59

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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.