Home / 2,864.37-3,953.58-1,685.82

Finding the Fourth Proportional to 2,864.37, 3,953.58 and 1,685.82

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Solution

The fourth proportional to 2,864.37, 3,953.58 and 1,685.82 is: 2,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.37 : 3,953.58 = 1,685.82 : x
  2. Step 2: Convert to fraction form
    2,864.37/3,953.58 = 1,685.82/x
  3. Step 3: Cross multiply
    2,864.37x = 3,953.58 × 1,685.82
  4. Step 4: Simplify right side
    2,864.37x = 6,665,024.24
  5. Step 5: Solve for x
    x = 6,665,024.24/2,864.37
  6. Step 6: Final answer
    x = 2,326.87

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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.