Home / 3,118.49-4,303.09-1,859.44

Finding the Fourth Proportional to 3,118.49, 4,303.09 and 1,859.44

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Solution

The fourth proportional to 3,118.49, 4,303.09 and 1,859.44 is: 2,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.49 : 4,303.09 = 1,859.44 : x
  2. Step 2: Convert to fraction form
    3,118.49/4,303.09 = 1,859.44/x
  3. Step 3: Cross multiply
    3,118.49x = 4,303.09 × 1,859.44
  4. Step 4: Simplify right side
    3,118.49x = 8,001,337.67
  5. Step 5: Solve for x
    x = 8,001,337.67/3,118.49
  6. Step 6: Final answer
    x = 2,565.77

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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.