Home / 2,688.60-4,032.97-1,301.68

Finding the Fourth Proportional to 2,688.60, 4,032.97 and 1,301.68

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Solution

The fourth proportional to 2,688.60, 4,032.97 and 1,301.68 is: 1,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.60 : 4,032.97 = 1,301.68 : x
  2. Step 2: Convert to fraction form
    2,688.60/4,032.97 = 1,301.68/x
  3. Step 3: Cross multiply
    2,688.60x = 4,032.97 × 1,301.68
  4. Step 4: Simplify right side
    2,688.60x = 5,249,623.05
  5. Step 5: Solve for x
    x = 5,249,623.05/2,688.60
  6. Step 6: Final answer
    x = 1,952.55

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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.