Home / 2,292.86-3,433.47-1,921.69

Finding the Fourth Proportional to 2,292.86, 3,433.47 and 1,921.69

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Solution

The fourth proportional to 2,292.86, 3,433.47 and 1,921.69 is: 2,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.86 : 3,433.47 = 1,921.69 : x
  2. Step 2: Convert to fraction form
    2,292.86/3,433.47 = 1,921.69/x
  3. Step 3: Cross multiply
    2,292.86x = 3,433.47 × 1,921.69
  4. Step 4: Simplify right side
    2,292.86x = 6,598,064.96
  5. Step 5: Solve for x
    x = 6,598,064.96/2,292.86
  6. Step 6: Final answer
    x = 2,877.66

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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.