Home / 3,613.24-5,424.18-2,153.08

Finding the Fourth Proportional to 3,613.24, 5,424.18 and 2,153.08

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Solution

The fourth proportional to 3,613.24, 5,424.18 and 2,153.08 is: 3,232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.24 : 5,424.18 = 2,153.08 : x
  2. Step 2: Convert to fraction form
    3,613.24/5,424.18 = 2,153.08/x
  3. Step 3: Cross multiply
    3,613.24x = 5,424.18 × 2,153.08
  4. Step 4: Simplify right side
    3,613.24x = 11,678,693.47
  5. Step 5: Solve for x
    x = 11,678,693.47/3,613.24
  6. Step 6: Final answer
    x = 3,232.19

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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.