Home / 2,977.77-4,108.38-1,718.66

Finding the Fourth Proportional to 2,977.77, 4,108.38 and 1,718.66

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Solution

The fourth proportional to 2,977.77, 4,108.38 and 1,718.66 is: 2,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.77 : 4,108.38 = 1,718.66 : x
  2. Step 2: Convert to fraction form
    2,977.77/4,108.38 = 1,718.66/x
  3. Step 3: Cross multiply
    2,977.77x = 4,108.38 × 1,718.66
  4. Step 4: Simplify right side
    2,977.77x = 7,060,908.37
  5. Step 5: Solve for x
    x = 7,060,908.37/2,977.77
  6. Step 6: Final answer
    x = 2,371.21

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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.