Home / 2,526.33-3,487.78-1,688.45

Finding the Fourth Proportional to 2,526.33, 3,487.78 and 1,688.45

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Solution

The fourth proportional to 2,526.33, 3,487.78 and 1,688.45 is: 2,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.33 : 3,487.78 = 1,688.45 : x
  2. Step 2: Convert to fraction form
    2,526.33/3,487.78 = 1,688.45/x
  3. Step 3: Cross multiply
    2,526.33x = 3,487.78 × 1,688.45
  4. Step 4: Simplify right side
    2,526.33x = 5,888,952.97
  5. Step 5: Solve for x
    x = 5,888,952.97/2,526.33
  6. Step 6: Final answer
    x = 2,331.03

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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.