Home / 3,397.52-5,095.74-1,318.48

Finding the Fourth Proportional to 3,397.52, 5,095.74 and 1,318.48

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Solution

The fourth proportional to 3,397.52, 5,095.74 and 1,318.48 is: 1,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.52 : 5,095.74 = 1,318.48 : x
  2. Step 2: Convert to fraction form
    3,397.52/5,095.74 = 1,318.48/x
  3. Step 3: Cross multiply
    3,397.52x = 5,095.74 × 1,318.48
  4. Step 4: Simplify right side
    3,397.52x = 6,718,631.28
  5. Step 5: Solve for x
    x = 6,718,631.28/3,397.52
  6. Step 6: Final answer
    x = 1,977.51

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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.