Home / 2,613.36-3,606.21-1,434.14

Finding the Fourth Proportional to 2,613.36, 3,606.21 and 1,434.14

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Solution

The fourth proportional to 2,613.36, 3,606.21 and 1,434.14 is: 1,978.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.36 : 3,606.21 = 1,434.14 : x
  2. Step 2: Convert to fraction form
    2,613.36/3,606.21 = 1,434.14/x
  3. Step 3: Cross multiply
    2,613.36x = 3,606.21 × 1,434.14
  4. Step 4: Simplify right side
    2,613.36x = 5,171,791.98
  5. Step 5: Solve for x
    x = 5,171,791.98/2,613.36
  6. Step 6: Final answer
    x = 1,978.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.