Home / 3,807.38-5,711.08-1,210.26

Finding the Fourth Proportional to 3,807.38, 5,711.08 and 1,210.26

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Solution

The fourth proportional to 3,807.38, 5,711.08 and 1,210.26 is: 1,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.38 : 5,711.08 = 1,210.26 : x
  2. Step 2: Convert to fraction form
    3,807.38/5,711.08 = 1,210.26/x
  3. Step 3: Cross multiply
    3,807.38x = 5,711.08 × 1,210.26
  4. Step 4: Simplify right side
    3,807.38x = 6,911,891.68
  5. Step 5: Solve for x
    x = 6,911,891.68/3,807.38
  6. Step 6: Final answer
    x = 1,815.39

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Similar ratio
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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.