Home / 4,278.22-5,903.43-2,389.93

Finding the Fourth Proportional to 4,278.22, 5,903.43 and 2,389.93

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Solution

The fourth proportional to 4,278.22, 5,903.43 and 2,389.93 is: 3,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.22 : 5,903.43 = 2,389.93 : x
  2. Step 2: Convert to fraction form
    4,278.22/5,903.43 = 2,389.93/x
  3. Step 3: Cross multiply
    4,278.22x = 5,903.43 × 2,389.93
  4. Step 4: Simplify right side
    4,278.22x = 14,108,784.46
  5. Step 5: Solve for x
    x = 14,108,784.46/4,278.22
  6. Step 6: Final answer
    x = 3,297.82

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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.