Home / 3,587.13-4,950.21-1,993.79

Finding the Fourth Proportional to 3,587.13, 4,950.21 and 1,993.79

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Solution

The fourth proportional to 3,587.13, 4,950.21 and 1,993.79 is: 2,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.13 : 4,950.21 = 1,993.79 : x
  2. Step 2: Convert to fraction form
    3,587.13/4,950.21 = 1,993.79/x
  3. Step 3: Cross multiply
    3,587.13x = 4,950.21 × 1,993.79
  4. Step 4: Simplify right side
    3,587.13x = 9,869,646.97
  5. Step 5: Solve for x
    x = 9,869,646.97/3,587.13
  6. Step 6: Final answer
    x = 2,751.40

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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.