Home / 3,325.80-4,987.18-1,133.64

Finding the Fourth Proportional to 3,325.80, 4,987.18 and 1,133.64

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Solution

The fourth proportional to 3,325.80, 4,987.18 and 1,133.64 is: 1,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.80 : 4,987.18 = 1,133.64 : x
  2. Step 2: Convert to fraction form
    3,325.80/4,987.18 = 1,133.64/x
  3. Step 3: Cross multiply
    3,325.80x = 4,987.18 × 1,133.64
  4. Step 4: Simplify right side
    3,325.80x = 5,653,636.13
  5. Step 5: Solve for x
    x = 5,653,636.13/3,325.80
  6. Step 6: Final answer
    x = 1,699.93

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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.