Home / 3,613.12-5,416.44-1,303

Finding the Fourth Proportional to 3,613.12, 5,416.44 and 1,303

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Solution

The fourth proportional to 3,613.12, 5,416.44 and 1,303 is: 1,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.12 : 5,416.44 = 1,303 : x
  2. Step 2: Convert to fraction form
    3,613.12/5,416.44 = 1,303/x
  3. Step 3: Cross multiply
    3,613.12x = 5,416.44 × 1,303
  4. Step 4: Simplify right side
    3,613.12x = 7,057,621.32
  5. Step 5: Solve for x
    x = 7,057,621.32/3,613.12
  6. Step 6: Final answer
    x = 1,953.33

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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.