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Finding the Fourth Proportional to 1,713.55, 2,570.05 and 617.35

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Solution

The fourth proportional to 1,713.55, 2,570.05 and 617.35 is: 925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.55 : 2,570.05 = 617.35 : x
  2. Step 2: Convert to fraction form
    1,713.55/2,570.05 = 617.35/x
  3. Step 3: Cross multiply
    1,713.55x = 2,570.05 × 617.35
  4. Step 4: Simplify right side
    1,713.55x = 1,586,620.37
  5. Step 5: Solve for x
    x = 1,586,620.37/1,713.55
  6. Step 6: Final answer
    x = 925.93

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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.