Home / 2,390.29-3,581.25-1,465.63

Finding the Fourth Proportional to 2,390.29, 3,581.25 and 1,465.63

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Solution

The fourth proportional to 2,390.29, 3,581.25 and 1,465.63 is: 2,195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.29 : 3,581.25 = 1,465.63 : x
  2. Step 2: Convert to fraction form
    2,390.29/3,581.25 = 1,465.63/x
  3. Step 3: Cross multiply
    2,390.29x = 3,581.25 × 1,465.63
  4. Step 4: Simplify right side
    2,390.29x = 5,248,787.44
  5. Step 5: Solve for x
    x = 5,248,787.44/2,390.29
  6. Step 6: Final answer
    x = 2,195.88

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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.