Home / 2,688.53-4,034.27-1,045.14

Finding the Fourth Proportional to 2,688.53, 4,034.27 and 1,045.14

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Solution

The fourth proportional to 2,688.53, 4,034.27 and 1,045.14 is: 1,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.53 : 4,034.27 = 1,045.14 : x
  2. Step 2: Convert to fraction form
    2,688.53/4,034.27 = 1,045.14/x
  3. Step 3: Cross multiply
    2,688.53x = 4,034.27 × 1,045.14
  4. Step 4: Simplify right side
    2,688.53x = 4,216,364.43
  5. Step 5: Solve for x
    x = 4,216,364.43/2,688.53
  6. Step 6: Final answer
    x = 1,568.28

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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.