Home / 1,688.56-2,530.44-1,468.68

Finding the Fourth Proportional to 1,688.56, 2,530.44 and 1,468.68

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Solution

The fourth proportional to 1,688.56, 2,530.44 and 1,468.68 is: 2,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.56 : 2,530.44 = 1,468.68 : x
  2. Step 2: Convert to fraction form
    1,688.56/2,530.44 = 1,468.68/x
  3. Step 3: Cross multiply
    1,688.56x = 2,530.44 × 1,468.68
  4. Step 4: Simplify right side
    1,688.56x = 3,716,406.62
  5. Step 5: Solve for x
    x = 3,716,406.62/1,688.56
  6. Step 6: Final answer
    x = 2,200.93

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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.