Home / 1,722.13-2,377.10-1,013.94

Finding the Fourth Proportional to 1,722.13, 2,377.10 and 1,013.94

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Solution

The fourth proportional to 1,722.13, 2,377.10 and 1,013.94 is: 1,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.13 : 2,377.10 = 1,013.94 : x
  2. Step 2: Convert to fraction form
    1,722.13/2,377.10 = 1,013.94/x
  3. Step 3: Cross multiply
    1,722.13x = 2,377.10 × 1,013.94
  4. Step 4: Simplify right side
    1,722.13x = 2,410,236.77
  5. Step 5: Solve for x
    x = 2,410,236.77/1,722.13
  6. Step 6: Final answer
    x = 1,399.57

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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.