Home / 2,390.74-3,298.68-1,446.51

Finding the Fourth Proportional to 2,390.74, 3,298.68 and 1,446.51

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Solution

The fourth proportional to 2,390.74, 3,298.68 and 1,446.51 is: 1,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.74 : 3,298.68 = 1,446.51 : x
  2. Step 2: Convert to fraction form
    2,390.74/3,298.68 = 1,446.51/x
  3. Step 3: Cross multiply
    2,390.74x = 3,298.68 × 1,446.51
  4. Step 4: Simplify right side
    2,390.74x = 4,771,554.08
  5. Step 5: Solve for x
    x = 4,771,554.08/2,390.74
  6. Step 6: Final answer
    x = 1,995.85

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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.