Home / 3,178.41-4,767.93-1,098.14

Finding the Fourth Proportional to 3,178.41, 4,767.93 and 1,098.14

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Solution

The fourth proportional to 3,178.41, 4,767.93 and 1,098.14 is: 1,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.41 : 4,767.93 = 1,098.14 : x
  2. Step 2: Convert to fraction form
    3,178.41/4,767.93 = 1,098.14/x
  3. Step 3: Cross multiply
    3,178.41x = 4,767.93 × 1,098.14
  4. Step 4: Simplify right side
    3,178.41x = 5,235,830.81
  5. Step 5: Solve for x
    x = 5,235,830.81/3,178.41
  6. Step 6: Final answer
    x = 1,647.31

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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.