Home / 2,331.27-3,491.64-1,807.08

Finding the Fourth Proportional to 2,331.27, 3,491.64 and 1,807.08

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Solution

The fourth proportional to 2,331.27, 3,491.64 and 1,807.08 is: 2,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.27 : 3,491.64 = 1,807.08 : x
  2. Step 2: Convert to fraction form
    2,331.27/3,491.64 = 1,807.08/x
  3. Step 3: Cross multiply
    2,331.27x = 3,491.64 × 1,807.08
  4. Step 4: Simplify right side
    2,331.27x = 6,309,672.81
  5. Step 5: Solve for x
    x = 6,309,672.81/2,331.27
  6. Step 6: Final answer
    x = 2,706.54

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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.