Home / 1,124.28-1,683.99-1,096.74

Finding the Fourth Proportional to 1,124.28, 1,683.99 and 1,096.74

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Solution

The fourth proportional to 1,124.28, 1,683.99 and 1,096.74 is: 1,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.28 : 1,683.99 = 1,096.74 : x
  2. Step 2: Convert to fraction form
    1,124.28/1,683.99 = 1,096.74/x
  3. Step 3: Cross multiply
    1,124.28x = 1,683.99 × 1,096.74
  4. Step 4: Simplify right side
    1,124.28x = 1,846,899.19
  5. Step 5: Solve for x
    x = 1,846,899.19/1,124.28
  6. Step 6: Final answer
    x = 1,642.74

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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.