Home / 3,435.68-5,154.32-1,127.04

Finding the Fourth Proportional to 3,435.68, 5,154.32 and 1,127.04

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Solution

The fourth proportional to 3,435.68, 5,154.32 and 1,127.04 is: 1,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.68 : 5,154.32 = 1,127.04 : x
  2. Step 2: Convert to fraction form
    3,435.68/5,154.32 = 1,127.04/x
  3. Step 3: Cross multiply
    3,435.68x = 5,154.32 × 1,127.04
  4. Step 4: Simplify right side
    3,435.68x = 5,809,124.81
  5. Step 5: Solve for x
    x = 5,809,124.81/3,435.68
  6. Step 6: Final answer
    x = 1,690.82

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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.