Home / 3,521.89-5,283.57-1,673.20

Finding the Fourth Proportional to 3,521.89, 5,283.57 and 1,673.20

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Solution

The fourth proportional to 3,521.89, 5,283.57 and 1,673.20 is: 2,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.89 : 5,283.57 = 1,673.20 : x
  2. Step 2: Convert to fraction form
    3,521.89/5,283.57 = 1,673.20/x
  3. Step 3: Cross multiply
    3,521.89x = 5,283.57 × 1,673.20
  4. Step 4: Simplify right side
    3,521.89x = 8,840,469.32
  5. Step 5: Solve for x
    x = 8,840,469.32/3,521.89
  6. Step 6: Final answer
    x = 2,510.15

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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.