Home / 3,688.41-5,528.14-1,711.36

Finding the Fourth Proportional to 3,688.41, 5,528.14 and 1,711.36

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Solution

The fourth proportional to 3,688.41, 5,528.14 and 1,711.36 is: 2,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.41 : 5,528.14 = 1,711.36 : x
  2. Step 2: Convert to fraction form
    3,688.41/5,528.14 = 1,711.36/x
  3. Step 3: Cross multiply
    3,688.41x = 5,528.14 × 1,711.36
  4. Step 4: Simplify right side
    3,688.41x = 9,460,637.67
  5. Step 5: Solve for x
    x = 9,460,637.67/3,688.41
  6. Step 6: Final answer
    x = 2,564.96

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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.