Home / 3,427.41-5,141.08-1,118.91

Finding the Fourth Proportional to 3,427.41, 5,141.08 and 1,118.91

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Solution

The fourth proportional to 3,427.41, 5,141.08 and 1,118.91 is: 1,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.41 : 5,141.08 = 1,118.91 : x
  2. Step 2: Convert to fraction form
    3,427.41/5,141.08 = 1,118.91/x
  3. Step 3: Cross multiply
    3,427.41x = 5,141.08 × 1,118.91
  4. Step 4: Simplify right side
    3,427.41x = 5,752,400.23
  5. Step 5: Solve for x
    x = 5,752,400.23/3,427.41
  6. Step 6: Final answer
    x = 1,678.35

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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.