Home / 2,864.48-3,951.75-1,669.38

Finding the Fourth Proportional to 2,864.48, 3,951.75 and 1,669.38

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Solution

The fourth proportional to 2,864.48, 3,951.75 and 1,669.38 is: 2,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.48 : 3,951.75 = 1,669.38 : x
  2. Step 2: Convert to fraction form
    2,864.48/3,951.75 = 1,669.38/x
  3. Step 3: Cross multiply
    2,864.48x = 3,951.75 × 1,669.38
  4. Step 4: Simplify right side
    2,864.48x = 6,596,963.86
  5. Step 5: Solve for x
    x = 6,596,963.86/2,864.48
  6. Step 6: Final answer
    x = 2,303.02

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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.