Home / 2,386.93-3,581.67-1,797.88

Finding the Fourth Proportional to 2,386.93, 3,581.67 and 1,797.88

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Solution

The fourth proportional to 2,386.93, 3,581.67 and 1,797.88 is: 2,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.93 : 3,581.67 = 1,797.88 : x
  2. Step 2: Convert to fraction form
    2,386.93/3,581.67 = 1,797.88/x
  3. Step 3: Cross multiply
    2,386.93x = 3,581.67 × 1,797.88
  4. Step 4: Simplify right side
    2,386.93x = 6,439,412.86
  5. Step 5: Solve for x
    x = 6,439,412.86/2,386.93
  6. Step 6: Final answer
    x = 2,697.78

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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.