Home / 3,808.45-5,711.13-1,175.32

Finding the Fourth Proportional to 3,808.45, 5,711.13 and 1,175.32

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Solution

The fourth proportional to 3,808.45, 5,711.13 and 1,175.32 is: 1,762.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.45 : 5,711.13 = 1,175.32 : x
  2. Step 2: Convert to fraction form
    3,808.45/5,711.13 = 1,175.32/x
  3. Step 3: Cross multiply
    3,808.45x = 5,711.13 × 1,175.32
  4. Step 4: Simplify right side
    3,808.45x = 6,712,405.31
  5. Step 5: Solve for x
    x = 6,712,405.31/3,808.45
  6. Step 6: Final answer
    x = 1,762.50

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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.