Home / 1,973.16-2,960.82-1,400.76

Finding the Fourth Proportional to 1,973.16, 2,960.82 and 1,400.76

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Solution

The fourth proportional to 1,973.16, 2,960.82 and 1,400.76 is: 2,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.16 : 2,960.82 = 1,400.76 : x
  2. Step 2: Convert to fraction form
    1,973.16/2,960.82 = 1,400.76/x
  3. Step 3: Cross multiply
    1,973.16x = 2,960.82 × 1,400.76
  4. Step 4: Simplify right side
    1,973.16x = 4,147,398.22
  5. Step 5: Solve for x
    x = 4,147,398.22/1,973.16
  6. Step 6: Final answer
    x = 2,101.91

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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.