Home / 2,373.70-3,275.73-1,311.52

Finding the Fourth Proportional to 2,373.70, 3,275.73 and 1,311.52

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Solution

The fourth proportional to 2,373.70, 3,275.73 and 1,311.52 is: 1,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.70 : 3,275.73 = 1,311.52 : x
  2. Step 2: Convert to fraction form
    2,373.70/3,275.73 = 1,311.52/x
  3. Step 3: Cross multiply
    2,373.70x = 3,275.73 × 1,311.52
  4. Step 4: Simplify right side
    2,373.70x = 4,296,185.41
  5. Step 5: Solve for x
    x = 4,296,185.41/2,373.70
  6. Step 6: Final answer
    x = 1,809.91

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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.