Home / 2,613.74-3,606.66-2,261.12

Finding the Fourth Proportional to 2,613.74, 3,606.66 and 2,261.12

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Solution

The fourth proportional to 2,613.74, 3,606.66 and 2,261.12 is: 3,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.74 : 3,606.66 = 2,261.12 : x
  2. Step 2: Convert to fraction form
    2,613.74/3,606.66 = 2,261.12/x
  3. Step 3: Cross multiply
    2,613.74x = 3,606.66 × 2,261.12
  4. Step 4: Simplify right side
    2,613.74x = 8,155,073.03
  5. Step 5: Solve for x
    x = 8,155,073.03/2,613.74
  6. Step 6: Final answer
    x = 3,120.08

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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.