Home / 2,613.06-3,606.96-1,729.14

Finding the Fourth Proportional to 2,613.06, 3,606.96 and 1,729.14

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Solution

The fourth proportional to 2,613.06, 3,606.96 and 1,729.14 is: 2,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.06 : 3,606.96 = 1,729.14 : x
  2. Step 2: Convert to fraction form
    2,613.06/3,606.96 = 1,729.14/x
  3. Step 3: Cross multiply
    2,613.06x = 3,606.96 × 1,729.14
  4. Step 4: Simplify right side
    2,613.06x = 6,236,938.81
  5. Step 5: Solve for x
    x = 6,236,938.81/2,613.06
  6. Step 6: Final answer
    x = 2,386.84

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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.