Home / 2,390.15-3,302.97-1,799.66

Finding the Fourth Proportional to 2,390.15, 3,302.97 and 1,799.66

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Solution

The fourth proportional to 2,390.15, 3,302.97 and 1,799.66 is: 2,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.15 : 3,302.97 = 1,799.66 : x
  2. Step 2: Convert to fraction form
    2,390.15/3,302.97 = 1,799.66/x
  3. Step 3: Cross multiply
    2,390.15x = 3,302.97 × 1,799.66
  4. Step 4: Simplify right side
    2,390.15x = 5,944,222.99
  5. Step 5: Solve for x
    x = 5,944,222.99/2,390.15
  6. Step 6: Final answer
    x = 2,486.97

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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.