Home / 3,521.79-5,283.68-1,764.66

Finding the Fourth Proportional to 3,521.79, 5,283.68 and 1,764.66

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Solution

The fourth proportional to 3,521.79, 5,283.68 and 1,764.66 is: 2,647.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.79 : 5,283.68 = 1,764.66 : x
  2. Step 2: Convert to fraction form
    3,521.79/5,283.68 = 1,764.66/x
  3. Step 3: Cross multiply
    3,521.79x = 5,283.68 × 1,764.66
  4. Step 4: Simplify right side
    3,521.79x = 9,323,889.93
  5. Step 5: Solve for x
    x = 9,323,889.93/3,521.79
  6. Step 6: Final answer
    x = 2,647.49

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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.