Home / 2,390.11-3,293.49-1,830.58

Finding the Fourth Proportional to 2,390.11, 3,293.49 and 1,830.58

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Solution

The fourth proportional to 2,390.11, 3,293.49 and 1,830.58 is: 2,522.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.11 : 3,293.49 = 1,830.58 : x
  2. Step 2: Convert to fraction form
    2,390.11/3,293.49 = 1,830.58/x
  3. Step 3: Cross multiply
    2,390.11x = 3,293.49 × 1,830.58
  4. Step 4: Simplify right side
    2,390.11x = 6,028,996.92
  5. Step 5: Solve for x
    x = 6,028,996.92/2,390.11
  6. Step 6: Final answer
    x = 2,522.48

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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.