Home / 3,411.68-5,117.52-1,103.36

Finding the Fourth Proportional to 3,411.68, 5,117.52 and 1,103.36

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Solution

The fourth proportional to 3,411.68, 5,117.52 and 1,103.36 is: 1,655.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.68 : 5,117.52 = 1,103.36 : x
  2. Step 2: Convert to fraction form
    3,411.68/5,117.52 = 1,103.36/x
  3. Step 3: Cross multiply
    3,411.68x = 5,117.52 × 1,103.36
  4. Step 4: Simplify right side
    3,411.68x = 5,646,466.87
  5. Step 5: Solve for x
    x = 5,646,466.87/3,411.68
  6. Step 6: Final answer
    x = 1,655.04

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1.5x scale

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.