Home / 3,178.07-4,767.58-1,097.52

Finding the Fourth Proportional to 3,178.07, 4,767.58 and 1,097.52

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Solution

The fourth proportional to 3,178.07, 4,767.58 and 1,097.52 is: 1,646.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.07 : 4,767.58 = 1,097.52 : x
  2. Step 2: Convert to fraction form
    3,178.07/4,767.58 = 1,097.52/x
  3. Step 3: Cross multiply
    3,178.07x = 4,767.58 × 1,097.52
  4. Step 4: Simplify right side
    3,178.07x = 5,232,516.46
  5. Step 5: Solve for x
    x = 5,232,516.46/3,178.07
  6. Step 6: Final answer
    x = 1,646.44

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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.