Home / 2,982.74-4,115.35-1,864.82

Finding the Fourth Proportional to 2,982.74, 4,115.35 and 1,864.82

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Solution

The fourth proportional to 2,982.74, 4,115.35 and 1,864.82 is: 2,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.74 : 4,115.35 = 1,864.82 : x
  2. Step 2: Convert to fraction form
    2,982.74/4,115.35 = 1,864.82/x
  3. Step 3: Cross multiply
    2,982.74x = 4,115.35 × 1,864.82
  4. Step 4: Simplify right side
    2,982.74x = 7,674,386.99
  5. Step 5: Solve for x
    x = 7,674,386.99/2,982.74
  6. Step 6: Final answer
    x = 2,572.93

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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.