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Finding the Fourth Proportional to 2,674.53, 3,692.04 and 1,718.45

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Solution

The fourth proportional to 2,674.53, 3,692.04 and 1,718.45 is: 2,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.53 : 3,692.04 = 1,718.45 : x
  2. Step 2: Convert to fraction form
    2,674.53/3,692.04 = 1,718.45/x
  3. Step 3: Cross multiply
    2,674.53x = 3,692.04 × 1,718.45
  4. Step 4: Simplify right side
    2,674.53x = 6,344,559.09
  5. Step 5: Solve for x
    x = 6,344,559.09/2,674.53
  6. Step 6: Final answer
    x = 2,372.21

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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.