Home / 2,606.64-3,909.96-1,146.12

Finding the Fourth Proportional to 2,606.64, 3,909.96 and 1,146.12

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Solution

The fourth proportional to 2,606.64, 3,909.96 and 1,146.12 is: 1,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.64 : 3,909.96 = 1,146.12 : x
  2. Step 2: Convert to fraction form
    2,606.64/3,909.96 = 1,146.12/x
  3. Step 3: Cross multiply
    2,606.64x = 3,909.96 × 1,146.12
  4. Step 4: Simplify right side
    2,606.64x = 4,481,283.36
  5. Step 5: Solve for x
    x = 4,481,283.36/2,606.64
  6. Step 6: Final answer
    x = 1,719.18

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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.