Home / 2,681.17-4,022.31-1,901.45

Finding the Fourth Proportional to 2,681.17, 4,022.31 and 1,901.45

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Solution

The fourth proportional to 2,681.17, 4,022.31 and 1,901.45 is: 2,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.17 : 4,022.31 = 1,901.45 : x
  2. Step 2: Convert to fraction form
    2,681.17/4,022.31 = 1,901.45/x
  3. Step 3: Cross multiply
    2,681.17x = 4,022.31 × 1,901.45
  4. Step 4: Simplify right side
    2,681.17x = 7,648,221.35
  5. Step 5: Solve for x
    x = 7,648,221.35/2,681.17
  6. Step 6: Final answer
    x = 2,852.57

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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.