Home / 3,448.03-4,758.30-1,876.12

Finding the Fourth Proportional to 3,448.03, 4,758.30 and 1,876.12

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Solution

The fourth proportional to 3,448.03, 4,758.30 and 1,876.12 is: 2,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.03 : 4,758.30 = 1,876.12 : x
  2. Step 2: Convert to fraction form
    3,448.03/4,758.30 = 1,876.12/x
  3. Step 3: Cross multiply
    3,448.03x = 4,758.30 × 1,876.12
  4. Step 4: Simplify right side
    3,448.03x = 8,927,141.80
  5. Step 5: Solve for x
    x = 8,927,141.80/3,448.03
  6. Step 6: Final answer
    x = 2,589.06

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.