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Finding the Fourth Proportional to 1,713.08, 2,568.99 and 617.15

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Solution

The fourth proportional to 1,713.08, 2,568.99 and 617.15 is: 925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.08 : 2,568.99 = 617.15 : x
  2. Step 2: Convert to fraction form
    1,713.08/2,568.99 = 617.15/x
  3. Step 3: Cross multiply
    1,713.08x = 2,568.99 × 617.15
  4. Step 4: Simplify right side
    1,713.08x = 1,585,452.18
  5. Step 5: Solve for x
    x = 1,585,452.18/1,713.08
  6. Step 6: Final answer
    x = 925.50

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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.