Home / 3,686.13-5,521.77-1,708.99

Finding the Fourth Proportional to 3,686.13, 5,521.77 and 1,708.99

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Solution

The fourth proportional to 3,686.13, 5,521.77 and 1,708.99 is: 2,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.13 : 5,521.77 = 1,708.99 : x
  2. Step 2: Convert to fraction form
    3,686.13/5,521.77 = 1,708.99/x
  3. Step 3: Cross multiply
    3,686.13x = 5,521.77 × 1,708.99
  4. Step 4: Simplify right side
    3,686.13x = 9,436,635.91
  5. Step 5: Solve for x
    x = 9,436,635.91/3,686.13
  6. Step 6: Final answer
    x = 2,560.04

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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.