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Finding the Fourth Proportional to 3,242.68, 4,475.22 and 1,845.64

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Solution

The fourth proportional to 3,242.68, 4,475.22 and 1,845.64 is: 2,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.68 : 4,475.22 = 1,845.64 : x
  2. Step 2: Convert to fraction form
    3,242.68/4,475.22 = 1,845.64/x
  3. Step 3: Cross multiply
    3,242.68x = 4,475.22 × 1,845.64
  4. Step 4: Simplify right side
    3,242.68x = 8,259,645.04
  5. Step 5: Solve for x
    x = 8,259,645.04/3,242.68
  6. Step 6: Final answer
    x = 2,547.17

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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.