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Finding the Fourth Proportional to 3,373.84, 5,060.90 and 1,642.06

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Solution

The fourth proportional to 3,373.84, 5,060.90 and 1,642.06 is: 2,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.84 : 5,060.90 = 1,642.06 : x
  2. Step 2: Convert to fraction form
    3,373.84/5,060.90 = 1,642.06/x
  3. Step 3: Cross multiply
    3,373.84x = 5,060.90 × 1,642.06
  4. Step 4: Simplify right side
    3,373.84x = 8,310,301.45
  5. Step 5: Solve for x
    x = 8,310,301.45/3,373.84
  6. Step 6: Final answer
    x = 2,463.16

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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.