Home / 1,688.95-2,529.58-1,166.58

Finding the Fourth Proportional to 1,688.95, 2,529.58 and 1,166.58

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Solution

The fourth proportional to 1,688.95, 2,529.58 and 1,166.58 is: 1,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.95 : 2,529.58 = 1,166.58 : x
  2. Step 2: Convert to fraction form
    1,688.95/2,529.58 = 1,166.58/x
  3. Step 3: Cross multiply
    1,688.95x = 2,529.58 × 1,166.58
  4. Step 4: Simplify right side
    1,688.95x = 2,950,949.59
  5. Step 5: Solve for x
    x = 2,950,949.59/1,688.95
  6. Step 6: Final answer
    x = 1,747.21

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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.