Home / 1,688.71-2,332.03-1,596.68

Finding the Fourth Proportional to 1,688.71, 2,332.03 and 1,596.68

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Solution

The fourth proportional to 1,688.71, 2,332.03 and 1,596.68 is: 2,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.71 : 2,332.03 = 1,596.68 : x
  2. Step 2: Convert to fraction form
    1,688.71/2,332.03 = 1,596.68/x
  3. Step 3: Cross multiply
    1,688.71x = 2,332.03 × 1,596.68
  4. Step 4: Simplify right side
    1,688.71x = 3,723,494.00
  5. Step 5: Solve for x
    x = 3,723,494.00/1,688.71
  6. Step 6: Final answer
    x = 2,204.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.