Home / 3,177.49-4,767.54-1,397.63

Finding the Fourth Proportional to 3,177.49, 4,767.54 and 1,397.63

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Solution

The fourth proportional to 3,177.49, 4,767.54 and 1,397.63 is: 2,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.49 : 4,767.54 = 1,397.63 : x
  2. Step 2: Convert to fraction form
    3,177.49/4,767.54 = 1,397.63/x
  3. Step 3: Cross multiply
    3,177.49x = 4,767.54 × 1,397.63
  4. Step 4: Simplify right side
    3,177.49x = 6,663,249.94
  5. Step 5: Solve for x
    x = 6,663,249.94/3,177.49
  6. Step 6: Final answer
    x = 2,097.02

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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.