Home / 2,688.60-4,030.41-1,046.22

Finding the Fourth Proportional to 2,688.60, 4,030.41 and 1,046.22

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Solution

The fourth proportional to 2,688.60, 4,030.41 and 1,046.22 is: 1,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.60 : 4,030.41 = 1,046.22 : x
  2. Step 2: Convert to fraction form
    2,688.60/4,030.41 = 1,046.22/x
  3. Step 3: Cross multiply
    2,688.60x = 4,030.41 × 1,046.22
  4. Step 4: Simplify right side
    2,688.60x = 4,216,695.55
  5. Step 5: Solve for x
    x = 4,216,695.55/2,688.60
  6. Step 6: Final answer
    x = 1,568.36

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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.