Home / 3,807.34-5,711.54-1,175.05

Finding the Fourth Proportional to 3,807.34, 5,711.54 and 1,175.05

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Solution

The fourth proportional to 3,807.34, 5,711.54 and 1,175.05 is: 1,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.34 : 5,711.54 = 1,175.05 : x
  2. Step 2: Convert to fraction form
    3,807.34/5,711.54 = 1,175.05/x
  3. Step 3: Cross multiply
    3,807.34x = 5,711.54 × 1,175.05
  4. Step 4: Simplify right side
    3,807.34x = 6,711,345.08
  5. Step 5: Solve for x
    x = 6,711,345.08/3,807.34
  6. Step 6: Final answer
    x = 1,762.74

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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.