Home / 2,901.05-4,004.48-1,722.12

Finding the Fourth Proportional to 2,901.05, 4,004.48 and 1,722.12

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Solution

The fourth proportional to 2,901.05, 4,004.48 and 1,722.12 is: 2,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.05 : 4,004.48 = 1,722.12 : x
  2. Step 2: Convert to fraction form
    2,901.05/4,004.48 = 1,722.12/x
  3. Step 3: Cross multiply
    2,901.05x = 4,004.48 × 1,722.12
  4. Step 4: Simplify right side
    2,901.05x = 6,896,184.39
  5. Step 5: Solve for x
    x = 6,896,184.39/2,901.05
  6. Step 6: Final answer
    x = 2,377.13

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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.