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Finding the Fourth Proportional to 1,688.81, 2,533.19 and 592.92

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Solution

The fourth proportional to 1,688.81, 2,533.19 and 592.92 is: 889.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.81 : 2,533.19 = 592.92 : x
  2. Step 2: Convert to fraction form
    1,688.81/2,533.19 = 592.92/x
  3. Step 3: Cross multiply
    1,688.81x = 2,533.19 × 592.92
  4. Step 4: Simplify right side
    1,688.81x = 1,501,976.05
  5. Step 5: Solve for x
    x = 1,501,976.05/1,688.81
  6. Step 6: Final answer
    x = 889.37

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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.